6828DDU Series

Single-Row Deep Groove Ball Bearings

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Radial Internal Clearance

Tolerance

Grouped product items
Parts Number
6828DDUC3 Single-Row Deep Groove Ball Bearings			Add to Compare You can use this service by registering as a member.
6828DDUCM Single-Row Deep Groove Ball Bearings			Add to Compare You can use this service by registering as a member.
6828DDU Single-Row Deep Groove Ball Bearings			Add to Compare You can use this service by registering as a member.
6828DDUC2 Single-Row Deep Groove Ball Bearings			Add to Compare You can use this service by registering as a member.
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6828DDUC3P5 Single-Row Deep Groove Ball Bearings			Add to Compare You can use this service by registering as a member.
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6828DDUC4 Single-Row Deep Groove Ball Bearings			Add to Compare You can use this service by registering as a member.
6828DDUC4P5 Single-Row Deep Groove Ball Bearings			Add to Compare You can use this service by registering as a member.
6828DDUC4P6 Single-Row Deep Groove Ball Bearings			Add to Compare You can use this service by registering as a member.
6828DDUC5 Single-Row Deep Groove Ball Bearings			Add to Compare You can use this service by registering as a member.
6828DDUC5P5 Single-Row Deep Groove Ball Bearings			Add to Compare You can use this service by registering as a member.
6828DDUC5P6 Single-Row Deep Groove Ball Bearings			Add to Compare You can use this service by registering as a member.
6828DDUCMP5 Single-Row Deep Groove Ball Bearings			Add to Compare You can use this service by registering as a member.
6828DDUCMP6 Single-Row Deep Groove Ball Bearings			Add to Compare You can use this service by registering as a member.
6828DDUP5 Single-Row Deep Groove Ball Bearings			Add to Compare You can use this service by registering as a member.
6828DDUP6 Single-Row Deep Groove Ball Bearings			Add to Compare You can use this service by registering as a member.

Product Information

Display units Metric Imperial

Designations

6828DDU

Boundary Dimensions

d	140	mm	Bore diameter
D	175	mm	Outside diameter
B	18	mm	Width
r (min.)	1.1	mm	Chamfer dimension

Basic Load Ratings

C_r	42000	N	Basic dynamic load rating
C_0r	48000	N	Basic static load rating

Speeds

Grease

1900

min^-1

Grease lubrication

Abutment and Fillet Dimensions

da (min.)	146.5	mm	Diameter of shaft abutment
da (max.)	148.5	mm	Diameter of shaft abutment
Da (max.)	168.5	mm	Diameter of housing abutment
ra (max.)	1	mm	Radius of shaft or housing fillet

Calculation factors

17.3

Factor

Additional information

z	26		Number of Balls
Dw	10.319	mm	Ball Diameter

Mass

(approx.)

0.832

Drawing for Reference

Designations	Basic Load Ratings		Radial Internal Clearance			Tolerance Class	Limiting Speeds		Number of Balls	Ball Diameter		Mass
Designations	C_r (N)	C_0r (N)		min	max	Tolerance Class	Grease (min^-1)	Oil (Oil-bath) (min^-1)	Number of Balls	(mm)	(inch)	(approx.) (kg)
6828DDU	42000	48000					1900		26	10.319	0.406	0.832

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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.

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.

More Information

More Information
NSK Product Type2	DGBB_SR
NSK Product Type	Bearing
Designations	6828DDU