Deep groove ball bearings / single row / small diameter / open / MISUMI

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Technical Information

Back to the Category Ball Bearings

Technical Drawing

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

Basic properties (e.g., material, hardness, coating, tolerance)

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

Part Number

B605
BR126

General Information

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

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

Shaft nuts/locknuts

Bearing with housing/bearing housing/bearing units

Rotary axes/rotary shafts

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

Motor shafts/torsion shafts

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

Plain bearing bushings, maintenance-free

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
B603
B605
B606
B608
B623
B625
B626
B628
B634
B683
BR63
BR74
BR84
BR85
BR95
BR104
BR105
BR106
BR126
BR128
BR148

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)	Basic Load Rating Cor (Static) (N)
2.26 €	1	Available	5 Days	10	3	9	3	571	56000	189
1.25 €	1	Available	Same day Stock	10	5	14	5	1329	40000	507
1.39 €	1	Available	5 Days	10	6	17	6	2263	38000	846
1.38 €	1	Available	Same day Stock	10	8	22	7	3293	34000	1379
2.26 €	1	Available	5 Days	10	3	10	4	631	50000	219
1.25 €	1	Available	9 Days	10	5	16	5	1729	36000	675
1.38 €	1	Available	5 Days	10	6	19	6	2336	32000	896
1.81 €	1	Available	Same day Stock	10	8	24	8	3333	28000	1423
1.76 €	1	Available	Same day Stock	10	4	16	5	1340	36000	523
3.15 €	1	Available	Same day Stock	10	3	7	2	311	63000	112
3.53 €	1	Available	5 Days	10	3	6	2	209	71000	74
3.66 €	1	Available	Same day Stock	10	4	7	2	311	60000	115
3.53 €	1	Available	5 Days	10	4	8	2	395	56000	141
3.78 €	1	Available	5 Days	10	5	8	2	308	53000	120
3.78 €	1	Available	5 Days	10	5	9	2.5	431	50000	169
3.53 €	1	Available	5 Days	10	4	10	3	711	48000	272
3.53 €	1	Available	5 Days	10	5	10	3	431	50000	169
3.27 €	1	Available	5 Days	10	6	10	2.5	496	45000	218
3.27 €	1	Available	Same day Stock	10	6	12	3	714	43000	295
3.40 €	1	Available	Same day Stock	10	8	12	2.5	543	40000	274
3.53 €	1	Available	5 Days	10	8	14	3.5	817	38000	386

Back to the Category Ball Bearings

Technical Drawing

Specification Tables

Part Number	d	D	B	r (min)	Basic Load Rating		Allowable Rotational Speed rpm (Reference)	Relative Dimensions			Mass (g) (Reference)	Unit Price
Part Number	d	D	B	r (min)	Cr (Dynamic) N	Co (Static) N	Allowable Rotational Speed rpm (Reference)	Ds (min)	dh (max)	R (max)	Mass (g) (Reference)	Unit Price
B683	3	7	2	0.1	311	112	63000	3.85	6.35	0.1	0.32
B603		9	3	0.15	571	189	56000	4.35	7.9	0.15	0.84
B623		10	4	0.15	631	219	50000	4.35	7.98	0.15	1.45
B634	4	16	5	0.3	1340	523	36000	6.7	13	0.3	5.24
B605	5	14		0.2	1329	507	40000	6.9	12.2	0.2	3.46
B625	5	16		0.3	1729	675	36000	7.5	13.8	0.3	4.95
B606	6	17	6	0.3	2263	846	38000	8.2	14.8		5.94
B626	6	19	6		2336	896	32000	8.5	16.5		8.12
B608	8	22	7		3293	1379	34000	10.5	19.03		11.8
B628	8	24	8		3333	1423	28000	11.9	19.9		17.1

Part Number	d	D	B	r (min)	Basic Load Rating		Allowable Rotational Speed rpm (Reference)	Relative Dimensions			Mass (g) (Reference)	Unit Price
Part Number	d	D	B	r (min)	Cr (Dynamic) N	Co (Static) N	Allowable Rotational Speed rpm (Reference)	Ds (min)	dh (max)	R (max)	Mass (g) (Reference)	Unit Price
BR63	3	6	2	0.1	209	74	71000	3.7	4.9	0.1	0.2
BR74	4	7		0.1	311	115	60000	4.75	6.25		0.23
BR84		8		0.15	395	141	56000	5	6.8		0.39
BR104		10	3	0.2	711	272	48000	6.15	8.35	0.15	0.96
BR85	5	8	2	0.1	308	120	53000	5.75	7.25	0.1	0.25
BR95		9	2.5	0.15	431	169	50000	6	7.8	0.15	0.54
BR105		10	3		431	169	50000	6	0.78	0.15	0.91
BR106	6	10	2.5		496	218	45000	7.04	8.9	0.1	0.55
BR126	6	12	3	0.2	714	295	43000	7.73	10.19	0.15	1.25
BR128	8	12	2.5	0.15	543	274	40000	9.05	10.9	0.1	0.7
BR148	8	14	3.5	0.2	817	386	38000	9.86	12.19	0.15	1.9

kgf=Nx0.101972

■Structure and Features of Ball Bearings

Type	Open	Double Shielded (ZZ)	Non-Contact Sealed (VV)	Contact Seal (DDU)
Sealed Type Friction Torque	-	Low	Low	Large Due to seal is in contact
High Speed	○	○	○	△
Dust Resistance	×	△	○	◎
Water Resistance	×	×	×	○ Can be used under the conditions with no more than a splash
Operating Temperature	Depends on the lubricant	-10 ~ 110°C		-10 ~ 100°C

The table above is for reference to compare the four shapes.
◎Well Suited ○Good △Questionable ×Not Suitable

Products homepage

Basic information

Bearing Ring Shape	Ball	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	Single Track	Size Standard	Metric Series
Rolling Element Material	EN 1.3505 Equiv.	Seal Part Structure	Open

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Basic Attributes

I.D. d(φ)
3

4

5

6

8
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O.D. D(φ)
6

7

8

9

10

12

14

16

17

19

22

24
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Width B (or T)(mm)
2

2.5

3

3.5

4

5

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7

8
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Basic Load Rating Cr (Dynamic)(N)
209

308

311

395

431

496

543

571

631

711

714

817

1329

1340

1729

2263

2336

3293

3333
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- B603
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- B608
- B623
- B625
- B626
- B628
- B634
- B683
- BR104
- BR105
- BR106
- BR126
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- BR63
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