Bellow couplings / grub screw clamping, hub clamping / bellows: stainless steel / body: stainless steel / BKXK, BKXS, BKXKV, BKXSV, BKXSY / ABP Antriebstechnik

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Backlash-free and angularly aligned transmission, optimum compensation of misalignments, very high torsional stiffness, low restoring forces, vibration damping effect, stainless steel bellow

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Product specification
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Catalog

Contents
- BKXK Ø16 / Ø21 / Ø24 Series
- BKXK Ø25 / Ø33 / Ø40 Series, BKXS Ø15 Series
- BKXS Ø19 / Ø20 / Ø25 Series
- BKXKV Ø16 Series, BKXSV Ø15 Series, BKXSY Ø20 Series

BKXK Ø16 / Ø21 / Ø24 Series

Technical Information

Technical data		BKXK 1622	BKXK 1624	BKXK 1627	BKXK 2129	BKXK 2135	BKXK 2429	BKXK 2435
Max. speed	min^-1	10.000	10.000	10.000	10.000	10.000	10.000	10.000
Max. torque	Ncm	40	40	40	120	100	120	100
Max. offset off shafts
Radial	mm	± 0,2	± 0,25	± 0,3	± 0,25	± 0,3	± 0,25	± 0,3
Axial	mm	± 0,4	± 0,45	± 0,5	± 0,4	± 0,5	± 0,4	± 0,5
Angular	Grad	± 3	± 4	± 4	± 4	± 4	± 4	± 4
Torsion spring stiffness	Nm/rad	90	85	70	150	140	150	140
Radial spring stiffness	N/mm	40	20	15	25	10	25	10
Moment of inertia	gcm²	2,1	2,2	2,6	9	9,5	15	15,2
Max. clamping torque (M)	Ncm	50	50	50	100	100	100	100
Temperature range	°C	-30 to +120			-40 to +140
Weight appr.	g	6	6,5	7	15	16	17	18
Material	Flange	Aluminium, anodised
Material	Bellow	Stainless steel

M = tightening torque of the clamping screw

Drawings and Bore Combinations

Part No. Example: BKXK 1622 05/06
(Series ØW d1/d2)

Part No. Example: BKXK 2129 63/08
(Series ØW d1/d2)

Part No. Example: BKXK 2429 08/10
(Series ØW d1/d2)

BKXK Ø25 / Ø33 / Ø40 Series, BKXS Ø15 Series

Technical Information

Technical data		BKXK 2530	BKXK 2535	BKXK 3340	BKXK 4048	BKXS 1520	BKXS 1522	BKXS 1525
Max. speed	min^-1	10.000	10.000	15.000	5.000	10.000	10.000	10.000
Max. torque	Ncm	200	200	500	1000	40	40	40
Max. offset off shafts
Radial	mm	± 0,3	± 0,35	± 0,3	± 0,3	± 0,2	± 0,25	± 0,3
Axial	mm	± 0,4	± 0,45	± 0,5	± 0,5	± 0,4	± 0,45	± 0,5
Angular	Grad	± 4	± 4	± 3	± 1,5	± 3	± 4	± 4
Torsion spring stiffness	Nm/rad	220	183	750	350	90	85	70
Radial spring stiffness	N/mm	45	17,8	100	150	40	20	15
Moment of inertia	gcm²	29,8	31	82	92	2	2,1	2,3
Max. clamping torque (M)	Ncm	100	100	4	8	70	70	70
Temperature range	°C	-40 to +140
Weight appr.	g	20	22	60*	22*	6	6,5	7
Material	Flange	Aluminium, anodised
Material	Bellow	Stainless steel

* dependent on Ø
M = tightening torque of the clamping screw

Drawings and Bore Combinations

Part No. Example: BKXK 2530 10/12
(Series ØW d1/d2)

Part No. Example: BKXK 3340 10/12
(Series ØW d1/d2)

Part No. Example: BKXK 4048 16/18
(Series ØW d1/d2)

Part No. Example: BKXS 1520 05/06
(Series ØW d1/d2)

BKXS Ø19 / Ø20 / Ø25 Series

Technical Information

Technical data		BKXS 1924	BKXS 1929	BKXS 2029	BKXS 2035	BKXS 2526	BKXS 2531
Max. speed	min^-1	10.000	10.000	10.000	10.000	10.000	10.000
Max. torque	Ncm	120	100	120	100	200	200
Max. offset off shafts
Radial	mm	± 0,25	± 0,3	± 0,25	± 0,3	± 0,3	± 0,35
Axial	mm	± 0,4	± 0,5	± 0,4	± 0,5	± 0,4	± 0,45
Angular	Grad	± 4	± 4	± 4	± 4	± 4	± 4
Torsion spring stiffness	Nm/rad	150	140	150	140	220	183
Radial spring stiffness	N/mm	25	10	25	10	45	17,8
Moment of inertia	gcm²	7	9	8	9	19	20
Max. clamping torque (M)	Ncm	80	80	150	150	150	150
Temperature range	°C	-40 to +140
Weight appr.	g	10	11	15	16	17,5	18
Material	Flange	Aluminium, anodised
Material	Bellow	Stainless steel

M = tightening torque of the clamping screw

Drawings and Bore Combinations

Part No. Example: BKXS 1924 06/63
(Series ØW d1/d2)

Part No. Example: BKXS 2029 63/08
(Series ØW d1/d2)

Part No. Example: BKXS 2526 12/14
(Series ØW d1/d2)

BKXKV Ø16 Series, BKXSV Ø15 Series, BKXSY Ø20 Series

Technical Information

Technical data		BKXKV1624	BKXKV1627	BKXSV1522	BKXSV1525	BKXSY2029	BKXSY2035
Max. speed	min^-1	10.000	10.000	10.000	10.000	10.000	10.000
Max. torque	Ncm	100	100	100	100	120	100
Max. offset off shafts
Radial	mm	± 0,15	± 0,2	± 0,15	± 0,2	± 0,25	± 0,3
Axial	mm	± 0,4	± 0,45	± 0,4	± 0,45	± 0,4	± 0,5
Angular	Grad	± 1	± 1,5	± 1	± 1,5	± 4	± 4
Torsion spring stiffness	Nm/rad	115	110	115	110	150	140
Radial spring stiffness	N/mm	90	46	90	46	25	10
Moment of inertia	gcm²	2,5	2,9	2,5	2,9	18	20
Max. clamping torque (M)	Ncm	50	50	50	50	70	70
Temperature range	°C	-40 to +140				-40 to +200
Weight appr.	g	7	7	6,5	7	31,5	33
Material	Flange	Aluminium, anodised				Stainless steel 1.4404
Material	Bellow	Stainless steel 1.4571

M = tightening torque of the clamping screw
Through V4A 1.4404 stainless steel quality increased resistance to chlorides, sea water, fuels, toluene, aromatic and non-aromatic hydrocarbons,
alcohols, glycols, solvents and many chemicals.

Drawings and Bore Combinations

Part No. Example: BKXKV1624 05/06
(Series ØW d1/d2)

Part No. Example: BKXSV1522 05/06
(Series ØW d1/d2)

Part No. Example: BKXSY2029 06/10
(Series ØW d1/d2)

Data to be displayed: 30; 45; 60

Part Number
BKXK 1622 03/03
BKXK 1622 03/04
BKXK 1622 05/63
BKXK 1624 03/04
BKXK 1624 03/63
BKXK 1624 05/06
BKXK 1627 04/05
BKXK 1627 04/63
BKXK 1627 05/05
BKXK 1627 05/06
BKXK 1627 05/63
BKXK 2129 05/06
BKXK 2129 05/10
BKXK 2129 05/95
BKXK 2129 06/06
BKXK 2129 06/08
BKXK 2129 08/08
BKXK 2129 63/08
BKXK 2135 05/10
BKXK 2135 06/08
BKXK 2135 06/10
BKXK 2135 63/95
BKXK 2429 06/12
BKXK 2435 06/12
BKXK 2435 10/10
BKXK 2530 06/06
BKXK 2530 06/12
BKXK 2530 08/10
BKXK 2530 08/12
BKXK 2535 08/10
BKXS 1520 04/06
BKXS 1525 04/05
BKXS 1525 05/06
BKXS 1924 05/08
BKXS 1929 06/63
BKXS 2029 08/10
BKXS 2029 95/10
BKXS 2035 06/06
BKXS 2035 06/10
BKXS 2035 08/12
BKXS 2526 06/08
BKXS 2526 06/14
BKXS 2526 08/14
BKXS 2526 16/16
BKXS 2531 06/08
BKXS 2531 08/08

Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	Allowable Torque Range (N•m)	Shaft Bore Dia. (machined) D1 (mm)	Shaft Bore Dia. (machined) D2 (mm)	Outer Dia. A (mm)	Overall Length W (mm)	Max. Rotational Speed Range (r/min)	Feature	Body Material	Allowable Torque (Nm)	Max. Rotational Speed (r/min)	Allowable Lateral Misalignment Range (mm)	Allowable Lateral Misalignment (mm)	Allowable Angular Misalignment (deg)	Operating Temperature Range (°C)	Allowable Axial Clearance (±) (mm)	Moment of Inertia (g･cm²)
43.28 € 27.27 €	1	Available	Same day Stock	0.05 to 1.00	3	3	16	22	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment	Aluminum	0.5	10000	0.02 to 0.2	±0.22	±1.3	-30～120	1	2.9
43.28 € 27.27 €	1	Available	Same day Stock	0.05 to 1.00	3	4	16	22	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment	Aluminum	0.5	10000	0.02 to 0.2	±0.22	±1.3	-30～120	1	0.34
43.28 €	1	Available	3 Days	0.05 to 1.00	5	6.35	16	22	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment	Aluminum	0.5	10000	0.02 to 0.2	±0.22	±1.3	-30～120	1	2.9
43.93 €	1	Available	3 Days	0.05 to 1.00	3	4	16	24	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	0.5	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	2.5
43.93 €	1	Available	3 Days	0.05 to 1.00	3	6.35	16	24	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	0.5	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	2.9
43.93 €	1	Available	3 Days	0.05 to 1.00	5	6	16	24	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	0.5	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	2.2
43.93 €	1	Available	3 Days	0.05 to 1.00	4	5	16	27	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	0.5	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	0.3
43.93 €	1	Available	3 Days	0.05 to 1.00	4	6.35	16	27	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	0.5	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	2.5
43.93 €	1	Available	3 Days	0.05 to 1.00	5	5	16	27	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	0.5	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	2.6
43.93 €	1	Available	3 Days	0.05 to 1.00	5	6	16	27	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	0.5	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	9.5
43.93 €	1	Available	3 Days	0.05 to 1.00	5	6.35	16	27	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	0.5	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	2.6
45.01 €	1	Available	3 Days	1.01 to 3.00	5	6	21	29	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	2.1
45.01 €	1	Available	3 Days	1.01 to 3.00	5	10	21	29	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	2.5
45.01 €	1	Available	3 Days	1.01 to 3.00	5	9.52	21	29	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	2.6
45.01 €	1	Available	3 Days	1.01 to 3.00	6	6	21	29	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	2.9
45.01 €	1	Available	3 Days	1.01 to 3.00	6	8	21	29	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	0.3
45.01 €	1	Available	3 Days	1.01 to 3.00	8	8	21	29	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	2.9
45.01 €	1	Available	3 Days	1.01 to 3.00	6.35	8	21	29	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	2.6
45.64 €	1	Available	3 Days	0.05 to 1.00	5	10	21	35	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	2.9
45.64 €	1	Available	3 Days	0.05 to 1.00	6	8	21	35	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	2.5
45.64 €	1	Available	3 Days	0.05 to 1.00	6	10	21	35	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	9.5
45.64 €	1	Available	3 Days	0.05 to 1.00	6.35	9.52	21	35	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	2.5
46.84 €	1	Available	3 Days	1.01 to 3.00	6	12	24	29	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	15
47.93 €	1	Available	3 Days	0.05 to 1.00	6	12	24	35	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	15.2
47.93 € 30.20 €	1	Available	Same day Stock	0.05 to 1.00	10	10	24	35	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	29.8
45.64 €	1	Available	3 Days	1.01 to 3.00	6	6	25	30	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	2.1
45.64 €	1	Available	3 Days	1.01 to 3.00	6	12	25	30	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	2.5
45.64 €	1	Available	3 Days	1.01 to 3.00	8	10	25	30	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	2.3
45.64 €	1	Available	3 Days	1.01 to 3.00	8	12	25	30	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	2.3
47.59 €	1	Available	3 Days	1.01 to 3.00	8	10	25	35	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	9.5
40.01 €	1	Available	3 Days	0.05 to 1.00	4	6	15	20	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Small / Heat Resistant / Clean Environment	Aluminum	0.7	10000	0.02 to 0.2	±0.22	±1.3	-30～120	1	2.8
40.66 €	1	Available	3 Days	0.05 to 1.00	4	5	15	25	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	0.7	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	29.8
40.66 €	1	Available	3 Days	0.05 to 1.00	5	6	15	25	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	0.7	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	2.3
41.28 €	1	Available	3 Days	1.01 to 3.00	5	8	19	24	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	0.8	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	2.9
41.77 €	1	Available	3 Days	1.01 to 3.00	6	6.35	19	29	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	0.8	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	9
41.77 €	1	Available	3 Days	1.01 to 3.00	8	10	20	29	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.5	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	9.5
41.77 €	1	Available	3 Days	1.01 to 3.00	9.52	10	20	29	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.5	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	3.8
42.49 €	1	Available	3 Days	1.01 to 3.00	6	6	20	35	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.5	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	3.2
42.49 €	1	Available	3 Days	1.01 to 3.00	6	10	20	35	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.5	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	29.8
42.49 €	1	Available	3 Days	1.01 to 3.00	8	12	20	35	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.5	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	9
43.70 €	1	Available	3 Days	1.01 to 3.00	6	8	25	26	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.5	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	19
43.71 €	1	Available	3 Days	1.01 to 3.00	6	14	25	26	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.5	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	2.9
43.71 €	1	Available	3 Days	1.01 to 3.00	8	14	25	26	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.5	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	19
43.71 € 27.54 €	1	Available	Same day Stock	1.01 to 3.00	16	16	25	26	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.5	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	2.9
43.65 €	1	Available	3 Days	1.01 to 3.00	6	8	25	31	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.5	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	8.7
43.65 €	1	Available	3 Days	1.01 to 3.00	8	8	25	31	4,001 to 10,000	High Torsional Rigidity / High Torque / High Accuracy / High Durability / No Backlash / Low Moment of Inertia / Vibration Insulation / Heat Resistant / Clean Environment	Aluminum	1.5	10000	0.21 to 0.40	±0.22	±1.3	-30～120	1	20

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Basic information

Type	Bellows Type	Allowable Misalignment	Angular Misalignment / Eccentricity / Axial Misalignment	Application	Standard / Servo Motor / Encoder
Bellows Part Material	Stainless Steel

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Basic Attributes

Allowable Torque Range(N•m)
0.05 to 1.00

1.01 to 3.00

5.01 to 10.00
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Shaft Bore Dia. (machined) D1(mm)
2

3

4

5

6

6.35

8

9.52

10

12

14

16
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Shaft Bore Dia. (machined) D2(mm)
2

3

4

5

6

6.35

8

9.52

10

12

14

16

18

20

22
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Outer Dia. A(mm)
15

16

19

20

21

24

25

40
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Overall Length W(mm)
20

22

24

25

26

27

29

30

31

35

48
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Max. Rotational Speed Range(r/min)
4,001 to 10,000

10,001 to 78,000
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Feature
High Torsional Rigidity

High Torque

High Accuracy

High Durability

No Backlash

Low Moment of Inertia

Vibration Insulation

Small

Heat Resistant

Clean Environment
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Body Material
Stainless Steel

Aluminum
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Allowable Torque(Nm)
0.5

0.7

0.8

1

1.5

8
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Max. Rotational Speed(r/min)
5000

10000
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Allowable Lateral Misalignment Range(mm)
0.02 to 0.2

0.21 to 0.40
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Allowable Lateral Misalignment(mm)
±0.1

±0.15

±0.20

±0.2

±0.22

±0.25

±0.3

±0.30

±0.35

±0.50

±1.0

±1.5

±2

±2.5

±3

±5
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Moment of Inertia(g･cm²)
0.3

0.34

0.83

1.9

2.1

2.2

2.3

2.5

2.6

2.8

2.9

3.2

3.8

6.7

7

8

8.7

9

9.5

13.5

15

15.2

18

19

20

22.2

29.8

31

92
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Type
- BKXK 1622
- BKXK 1624
- BKXK 1627
- BKXK 2129
- BKXK 2135
- BKXK 2429
- BKXK 2435
- BKXK 2530
- BKXK 2535
- BKXK 4048
- BKXKY1624
- BKXKY1627
- BKXS 1520
- BKXS 1522
- BKXS 1525
- BKXS 1924
- BKXS 1929
- BKXS 2029
- BKXS 2035
- BKXS 2526
- BKXS 2531
- BKXSY1522
- BKXSY1525
- BKXSY2029
- BKXSY2035
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Allowable Angular Misalignment(deg)
±1

±1.3

±1.5

±2.5

±3

±3.5

±4

±5

±10

±12

±15
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- 3D
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