Angular contact ball bearings / set of two / standard design / contact angle 30° / pair / MISUMI / MISUMI (B7205-DF)

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MISUMI

Product Details:

Manufacturer part number: B7205-DF

Brand: MISUMI

Price: 42.82 €

Delivery time: Same day

Technical Data:

I.D. d: 25 φ

O.D. D: 52 φ

Width B (or T): 15 mm

Basic Load Rating Cr (Dynamic): 26300 N

Allowable Rotational Speed: 8800 1/min

Order quantities extended (D-JIT)

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B7205-DF

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Technical Information

Back to the Category Ball Bearings

Technical Drawing - Ball Bearings

Angular Contact/Standard Grade/Double Row Combination:Related Image

For details on the tolerance and allowable values of inner and outer rings, >> P.2243

Available dimensions and tolerances can be found under the tab More information.

Basic Properties (e.g., material, hardness, coating, tolerance) - Ball Bearings

Material: EN 1.3505 Equiv.

For further specifications please see the More information tab.
Information on tolerances and rotational accuracy of the radial bearings can be found in the following PDF: Ball bearing table / tolerances as PDF

Composition of a Product Code - Ball Bearings

Part Number	-	Double Row Combination
B7004	-	DB

General Information - Ball Bearings

Ball bearing - deep groove ball bearing - axial bearing - axial ball bearing - axial groove ball bearing - angular ball bearing - spherical ball bearing - tension bearing

Ball Bearing Selection Details

- Ball material: steel, stainless steel, ceramic, plastic, glass, chrome-plated

- Type of bearings: axial ball bearings, thin section bearings, spherical ball bearings, deep groove ball bearings, single-row angular ball bearings, double-row ball bearings, tension bearings, four-point bearings

- Outer ring: flat, spherical, with flange, annular groove, U-groove, V-groove

- Properties: heat-resistant, non-magnetic, corrosion-resistant, dust-proof, vacuum, high speed

- Inner diameter: 2 mm to 50 mm

- Outer diameter: 5 mm to 110 mm

Ball bearing designation (suffix):

In addition to the dimensional designation of the ball bearing, ball bearings often also have a designation for a cover disc or sealing disc. The following names are the most common names of various manufacturers that can be selected in the MISUMI online shop.

- Double-sided sealing washer: 2RSH/2RS1, 2RSR/C-2HRS, DDU/DD
- Single-sided sealing washer: RSH/RS1, RSR/C-HRS, DU
- Double-sided sealing washer with low friction: 2RSL/2RZ/VV
- Double-sided cover disc: 2Z/ZZ, 2ZR/C-2Z
- Single sided cover disc: Z, ZR/C-Z/Z

Description/Basics

Rolling bearings

Rolling bearings are generally divided into ball bearings and roller bearings. Ball bearings are a popular type of rolling bearings due to their high permissible speed and low friction.
In the MISUMI online shop, you can purchase ball bearings that can be customized to your applications and environmental conditions. Our ball bearings are available in different materials and in a combination of different materials (hybrid bearings). In addition, MISUMI offers ball bearings already integrated into the housing as bearing housing.

Grooved ball bearings

Grooved ball bearings are the most commonly used rotary rolling bearings. This type of ball bearing is ideally suited for supporting rotating machine elements. A grooved ball bearings are intended for load bearing of radial forces and light axial forces. Grooved ball bearings are designed for high speeds and are used in a wide variety of industrial applications and designs. MISUMI already offers ball bearings integrated into housings and holders as bearing housings.

Areas of Application

Ball bearing - chemical resistance

Chemical resistance		Plastic ball			Metal ball		Ceramic ball
Bearing rings		UHMW	PEEK	PTFE	EN 1.4125 equivalent	EN 1.4301 equivalent	EN 1.4125 equivalent	EN 1.4542 equivalent
Cover plate		-	-	-	EN 1.4301 equivalent	EN 1.4301 equivalent	EN 1.4301 equivalent	EN 1.4301 equivalent
Bearing balls		Glass	Ceramic (aluminum oxide)	Ceramic (aluminum oxide)	EN 1.4125 equivalent	EN 1.4301 equivalent	Ceramic	Ceramic
Ball cage		UHMW	PEEK	PTFE	EN 1.4301 equivalent	EN 1.4301 equivalent	Fluoroplastic	Fluoroplastic
Acids	Hydrochloric acid	suitable to a limited extent	good	very good	unsuitable	good	suitable to a limited extent	good
	Sulfuric acid	suitable to a limited extent	good	very good	unsuitable	very good	good	very good
	Nitric acid	suitable to a limited extent	good	very good	unsuitable	very good	good	very good
Bases		unsuitable	very good	very good	unsuitable	very good	good	very good
Solvents		very good	very good	very good	unsuitable	very good	good	very good
Salt water		very good	very good	very good	unsuitable	very good	good	very good
Water		very good	very good	very good	unsuitable	very good	very good	very good

Comparison Table The ball bearing comparison table is provided for comparison purposes only (consider the lubricant and the sealing washer separately).

Ball bearing materials

In the MISUMI online shop, ball bearings are available in cost-effective rolling bearing steel, corrosion-resistant stainless steel and stainless steel. Furthermore, our product range includes various hybrid bearings in the following combinations: metal & ceramic, plastic & ceramic, plastic & glass.

Our various materials offer good resistance to various environmental influences. Our ball bearing shop includes the ball materials stainless steel, steel, UHMW, PEEK, PTFE, ceramic and glass.

Instructions for Use / Installation Information - Ball Bearings

Installation Information

An incorrect assembly and disassembly can damage a ball bearing. Therefore, a suitable tool must always be used to assemble and disassemble ball bearings or roller bearings.
Ball bearings should not be assembled with a hammer, as this can deform the ball bearing. It is recommended using a suitable press. During pressing, the contact surface can be provided with lubricant to protect the surfaces and facilitate assembly.
It is best to use a bearing puller for disassembly.

Maintenance

The ball bearing in roller bearings should be inspected for damage during maintenance.
Before regreasing, a ball bearing should first be thoroughly cleaned.
Remaining contamination in the bearing can damage the ball bearing. As a rule, a ball bearing should not be completely filled with grease, as this can cause the bearing to heat up too much and can cause it to fail.
For encapsulated and sealed ball bearings, it is recommended to replace the bearing. Maintenance is not recommended due to the risk of damage to the cover place or seal.

Supplementary Article

Bearing Lock Nuts

Shaft nuts - lock nuts - steel shaft nut - stainless steel shaft nut - shaft with retaining nut - shaftnNut with clamp screw - shaft nut with grub screw - shaft assembly

Bearings with Housing

Bearing with housing - bearing housing - bearing units - ball bearing holder - ball bearing with housing - bearing housing with flange - shaft holder with ball bearing

Axles / Rotary Shafts

Rotary axis - offset rotary shaft - double offset shaft - female threaded shaft - keyway shaft

Drive shafts

Motor shaft - torsion shaft - shaft with collar - shaft with shoulder - offset shaft - keyway shaft

Plain Bearing (Bushes)

Plain bearing - maintenance free - plain bearing bushings - plain bearing bushing with collar - plain bearing bushing with flange - plastic bushing - plastic plain bearing bushing

Industrial Applications

3D printer industry

Automotive industry

Pharmaceutical industry

Packaging industry

Part Number:

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Part Number
B7205-DF

Part Number

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	RoHS	I.D. d (φ)	O.D. D (φ)	Width B (or T) (mm)	Basic Load Rating Cr (Dynamic) (N)	Allowable Rotational Speed (1/min)	Combination of Angular Contact Ball Bearings	Basic Load Rating Cor (Static) (N)
	42.82 € 20.55 €	1	Available	Same day Stock	10	25	52	15	26300	8800	DF Combination	20500

Standard Unit Price

Minimum order quantity

Volume Discount

Standard
Shipping Days
?

RoHS

I.D. d
(φ)

O.D. D
(φ)

Width B (or T)
(mm)

Basic Load Rating Cr (Dynamic)
(N)

Allowable Rotational Speed
(1/min)

Combination of Angular Contact Ball Bearings

Basic Load Rating Cor (Static)
(N)

42.82 €

20.55 €

Available

Same day

26300

8800

DF Combination

20500

Back to the Category Ball Bearings

Technical Drawing - Ball Bearings

Specification Tables - Ball Bearings

■Double Row Combination

Part Number		d	D	B	r (min)	r₁ (min)
Bearing No.	Double Row Combination	d	D	B	r (min)	r₁ (min)
B7000	DB (Back) DF (Front)	10	26	8	0.3	0.15
B7200		10	30	9	0.6	0.3
B7001		12	28	8	0.3	0.15
B7201		12	32	10	0.6	0.3
B7002		15	32	9	0.3	0.15
B7202		15	35	11	0.6	0.3
B7003		17	35	10	0.3	0.15
B7203		17	40	12	0.6	0.3
B7004		20	42	12	0.6	0.3
B7204		20	47	14	1	0.6
B7005		25	47	12	0.6	0.3
B7205		25	52	15	1	0.6
B7006		30	55	13	1	0.6
B7206		30	62	16	1	0.6
B7207	DB (Back)	35	72	17	1.1	0.6
B7208		40	80	18	1.1	0.6
B7209		45	85	19	1.1	0.6
B7210		50	90	20	1.1	0.6

Part Number		Basic Load Rating		Allowable Rotational Speed rpm (Reference)	Pressure Cone Apex a		Relative Dimensions						Mass (g) (Reference)
Part Number		Basic Load Rating			Pressure Cone Apex a		DB			DF
Bearing No.	Double Row Combination	Cr (Dynamic) kN	Cor (Static) kN		DB	DF	Ds (min.)	dh (max.)	R (max.)	Ds (min.)	dh (max.)	R (max.)
B7000	DB (Back) DF (Front)	8.75	5.2	18400	18.4	2.4	12.5	24.8	0.3	11.2	23.5	0.15	46
B7200		8.8	5.4	17600	20.5	2.5	15	27.5	0.6	12.5	25	0.3	58
B7001		9.4	5.95	16800	19.5	3.5	14.5	26.8	0.3	13.2	25.5	0.15	50
B7201		13	8.05	16000	22.7	2.7	17	29.5	0.6	14.5	27	0.3	74
B7002		9.95	6.85	14400	22.6	4.6	17.5	30.8	0.3	16.2	29.5	0.15	70
B7202		14	9.3	13600	25.4	3.4	20	32.5	0.6	17.5	30	0.3	92
B7003		10.4	7.65	13600	25	5	19.5	33.8	0.3	18.2	32.5	0.15	92
B7203		17.6	12	12000	28.5	4.5	22	37.5	0.6	19.5	35	0.3	134
B7004		17.6	13.2	12000	29.9	5.9	25	39.5	0.6	22.5	37	0.3	160
B7204		23.5	16.6	10400	33.3	5.3	26	42	1	25	41	0.6	218
B7005		18.3	14.8	9600	32.8	8.8	30	44.5	0.6	27.5	42	0.3	186
B7205		26.3	20.5	8800	37.2	7.2	31	47	1	30	46	0.6	260
B7006		23.6	20.2	8800	37.5	11.5	36	50	1	35	49	0.6	270
B7206		36.5	29.5	7840	42.6	10.6	36	57	1	35	56	0.6	394
B7207	DB (Back)	48.5	40	6800	47.9	-	42	67	1	-	-	-	574
B7208		57.5	50.5	6000	52.6	-	47	75	1	-	-	-	750
B7209		64.5	57.5	5520	56.5	-	52	80	1	-	-	-	822
B7210		67	63	5040	60.4	-	57	85	1	-	-	-	932

kgf=Nx0.101972

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Basic information

Bearing Ring Shape	Angular Contact Ball (Multi-Row)	Materials of Inner and Outer Ring	EN 1.3505 Equiv.	Shield material and shape	Open Type
Outer Ring Type	Flat	Accuracy (JIS)	Class 0	Specifications/Environment	Standard
Load Direction	Radial	Number of Bearing Ring Rows	Double Row	Size Standard	Metric Series
Rolling Element Material	EN 1.3505 Equiv.	Seal Part Structure	Open

This page is Angular contact ball bearings / set of two / standard design / contact angle 30° / pair / MISUMI / MISUMI, part number B7205-DF.
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Basic Attributes

Type
- B7000-DB
- B7000-DF
- B7001-DB
- B7001-DF
- B7002-DB
- B7002-DF
- B7003-DB
- B7003-DF
- B7004-DB
- B7004-DF
- B7005-DB
- B7005-DF
- B7006-DB
- B7006-DF
- B7200-DB
- B7200-DF
- B7201-DB
- B7201-DF
- B7202-DB
- B7202-DF
- B7203-DB
- B7203-DF
- B7204-DB
- B7204-DF
- B7205-DB
- B7205-DF
- B7206-DB
- B7206-DF
- B7207-DB
- B7208-DB
- B7209-DB
- B7210-DB
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I.D. d(φ)
10

12

15

17

20

25

30

35

40

45

50
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O.D. D(φ)
26

28

30

32

35

40

42

47

52

55

62

72

80

85

90
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Width B (or T)(mm)
8

9

10

11

12

13

14

15

16

17

18

19

20
Clear
Basic Load Rating Cr (Dynamic)(N)
1300

8750

8800

9400

9950

10400

13000

14000

17600

18300

23500

23600

26300

36500

48500

57500

64500

67000
Clear
Combination of Angular Contact Ball Bearings
- DB Combination
- DF Combination
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Optional Attributes

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Variation of this product

Part Number
B7001-DF
B7002-DB
B7002-DF
B7206-DB
B7206-DF
B7207-DB

Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	RoHS	I.D. d (φ)	O.D. D (φ)	Width B (or T) (mm)	Basic Load Rating Cr (Dynamic) (N)	Allowable Rotational Speed (1/min)	Combination of Angular Contact Ball Bearings	Basic Load Rating Cor (Static) (N)
22.92 €	1	Available	5 Days	10	12	28	8	9400	16800	DF Combination	5950
26.44 €	1	Available	5 Days	10	15	32	9	9950	14400	DB Combination	6850
26.44 €	1	Available	5 Days	10	15	32	9	9950	14400	DF Combination	6850
47.23 €	1	Available	5 Days	10	30	62	16	36500	7840	DB Combination	29500
47.23 €	1	Available	5 Days	10	30	62	16	36500	7840	DF Combination	29500
46.73 €	1	Available	5 Days	10	35	72	17	48500	6800	DB Combination	40000