Single-Row Deep Groove Ball Bearings

6211

Single-Row Deep Groove Ball Bearings

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Grouped product items
Parts Number
6211C3
6211CM
6211
6211C2
6211C2P5
6211C2P6
6211C3P5
6211C3P6
6211C4
6211C4P5
6211C4P6
6211C5
6211C5P5
6211C5P6
6211CMP5
6211CMP6
6211P5
6211P6

Product Information

Display units Metric Imperial

Designations

6211

Boundary Dimensions

d	55	mm	Bore diameter
D	100	mm	Outside diameter
B	21	mm	Width
r (min.)	1.5	mm	Chamfer dimension

Basic Load Ratings

Cr	47500	N	Basic dynamic load rating
C0r	29300	N	Basic static load rating

Speeds

Grease	7500	min-1	Grease lubrication
Oil (Oil-bath)	9000	min-1	Oil-bath lubrication

Abutment and Fillet Dimensions

da (min.)	63	mm	Diameter of shaft abutment
da (max.)	66.5	mm	Diameter of shaft abutment
Da (max.)	92	mm	Diameter of housing abutment
ra (max.)	1.5	mm	Radius of shaft or housing fillet

Calculation factors

14.3

Factor

Additional information

z	10		Number of Balls
Dw	14.288	mm	Ball Diameter

Mass

Mass approx.

0.619

Mass approx.

CAD

FAQs (3)

Customer Questions

What are radial loads and axial loads?

Loads are defined by their direction. Loads perpendicular to the shaft are called radial loads and loads parallel to the shaft are called axial (thrust) loads.

How do deep groove ball bearings (DGBBs) differ from single-row angular contact ball bearings?

While DGBBs can handle axial loads in both directions, single-row angular contact ball bearings can only receive axial load in one direction.

What are the differences between open, sealed, and shielded deep groove ball bearings?

Seals and shields offer additional protection for bearing components and help to improve and maintain lubrication. In terms of sealing performance, sealed bearings rank best, followed by shielded bearings, then finally open bearings.
NSK uses supplementary designations D, DU, DW, and V (DD, DDU, DDW, VV) for sealed bearings and Z (ZZ) for shielded bearings. No supplementary designations are listed for open bearings.

Drawing for Reference

Designations	Basic Load Ratings		Radial Internal Clearance			Tolerance Class	Limiting Speeds		Number of Balls	Ball Diameter		Mass
Designations	Cr (N)	C0r (N)		min	max	Tolerance Class	Grease (min-1)	Oil (Oil-bath) (min-1)	Number of Balls	(mm)	(inch)	(kg)
6211	47500	29300					7500	9000	10	14.288	0.563	0.619

Not to scale.
(*) The chamfer dimensions are minimum values.
6000N, 6000NR, 6001N, 6001NR : Snap ring groove dimensions and snap ring dimensions are not based on ISO 15.

More Information

More Information
NSK Product Type2	DGBB_SR
NSK Product Type	Bearing

Single-Row Deep Groove Ball Bearings

Single-Row Deep Groove Ball Bearings

Designations

Boundary Dimensions

Basic Load Ratings

Speeds

Abutment and Fillet Dimensions

Calculation factors

Additional information

Mass

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