Deep groove ball bearings / single row / small diameters / VV, DDU / MISUMI

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[Features] Shield material and shape: Rubber seal type, Inner and outer ring materials: JIS-SUJ (rolling bearing steel)2, Outer ring type: Flat, Precision (JIS): Class 0.

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Back to the Category Ball Bearings

Technical Drawing - Ball Bearings

Small/Deep Groove/Non-Contact Sealed/Contact Sealed:Related Image

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. * The material of seal is NBR (Nitrile Rubber).

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

B624DDU

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

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Part Number
B604DDU
B605DDU
B606DDU
B608DDU
B608VV
B623DDU
B624DDU
B624VV
B625DDU
B625VV
B626DDU
B626VV
B628DDU
B628VV
B693DDU
B694DDU
B695DDU
B696DDU
B696VV
B698DDU
B698VV

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)	Seal Part Structure
2.52 €	1	Available	Same day Stock	10	4	12	4	957	24000	345	Contact Sealed
2.52 €	1	Available	Same day Stock	10	5	14	5	1330	38000	505	Contact Sealed
2.52 €	1	Available	5 Days	10	6	17	6	2260	34000	835	Contact Sealed
2.02 €	1	Available	Same day Stock	10	8	22	7	3530	17000	1400	Contact Sealed
1.88 €	1	Available	Same day Stock	10	8	22	7	3530	17000	1400	Non-Contact Sealed
2.77 €	1	Available	5 Days	10	3	10	4	630	25000	210	Contact Sealed
2.39 €	1	Available	5 Days	10	4	13	5	1300	20000	485	Contact Sealed
2.39 €	1	Available	Same day Stock	10	4	13	5	1300	20000	485	Non-Contact Sealed
1.88 €	1	Available	5 Days	10	5	16	5	1730	32000	670	Contact Sealed
1.88 €	1	Available	5 Days	10	5	16	5	1730	32000	670	Non-Contact Sealed
1.88 €	1	Available	5 Days	10	6	19	6	2340	30000	885	Contact Sealed
1.88 €	1	Available	5 Days	10	6	19	6	2340	30000	885	Non-Contact Sealed
2.15 €	1	Available	5 Days	10	8	24	8	4000	14000	1590	Contact Sealed
2.15 €	1	Available	Same day Stock	10	8	24	8	4000	14000	1590	Non-Contact Sealed
5.04 €	1	Available	Same day Stock	10	3	8	4	560	30000	179	Contact Sealed
3.66 €	1	Available	5 Days	10	4	11	4	960	24000	345	Contact Sealed
3.66 €	1	Available	5 Days	10	5	13	4	1080	40000	430	Contact Sealed
3.40 €	1	Available	5 Days	10	6	15	5	1350	36000	530	Contact Sealed
2.26 €	1	Available	Same day Stock	10	6	15	5	1350	36000	530	Non-Contact Sealed
3.53 €	1	Available	5 Days	10	8	19	6	1990	30000	865	Contact Sealed
2.26 €	1	Available	Same day Stock	10	8	19	6	1990	30000	865	Non-Contact Sealed

Back to the Category Ball Bearings

Technical Drawing - Ball Bearings

Specification Tables - Ball Bearings

Part Number		d	D	B	r (min)	Basic Load Rating		Allowable Rotational Speed rpm (Reference)	Relative Dimensions			Mass (g) (Reference)	Unit Price
Non-Contact Sealed	Contact Sealed					Cr (Dynamic) N	Cor (Static) N		Ds (min)	dh (max)	R (max)		Non-Contact Sealed	Contact Sealed
Non-Contact Sealed	Contact Sealed					Cr (Dynamic) N	Cor (Static) N		Ds (min)	dh (max)	R (max)		Non-Contact Sealed	Contact Sealed
-	B693DDU	3	8	4	0.15	560	179	30000	4.20	6.8	0.15	0.83	-
-	B623DDU	3	10			630	210	25000	4.20	8.8		1.66	-
-	B694DDU	4	11			960	345	24000	5.20	9.8		1.75	-
-	B604DDU		12		0.2	957	345	24000	5.60	10.4	0.20	2.29	-
B624VV	B624DDU		13	5	0.2	1300	485	20000	5.60	11.4		3.04
-	B695DDU	5	13	4		1080	430	40000	6.60	11.4		2.5	-
-	B605DDU		14	5		1330	505	38000	6.60	12.4		3.48	-
B625VV	B625DDU		16		0.3	1730	670	32000	7.00	14.0	0.30	4.86
B696VV	B696DDU	6	15		0.2	1350	530	36000	7.60	13.4	0.20	3.72
-	B606DDU		17	6	0.3	2260	835	34000	8.00	15.0	0.30	6.08	-
B626VV	B626DDU		19			2340	885	30000	8.00	17.0		7.94
B698VV	B698DDU	8	19			1990	865	30000	10.00	17.0		7.18
B608VV	B608DDU		22	7		3530	1400	17000		20.0		12
B628VV	B628DDU		24	8		4000	1590	14000		22.0		17

kgf=Nx0.101972

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Basic information

Bearing Ring Shape	Ball	Materials of Inner and Outer Ring	EN 1.3505 Equiv.	Shield material and shape	Rubber Sealed
Outer Ring Type	Flat	Accuracy (JIS)	Class 0	Specifications/Environment	Standard / Dust Resistant
Load Direction	Radial	Number of Bearing Ring Rows	Single Track	Size Standard	Metric Series
Rolling Element Material	EN 1.3505 Equiv.

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- B625DDU
- B625VV
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- B626VV
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