699DD

Extra Small Ball Bearings and Miniature Ball Bearings Metric Series

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Parts Number
699DDMC3 Extra Small Ball Bearings and Miniature Ball Bearings Metric Series			Add to Compare You can use this service by registering as a member.

Product Information

Display units Metric Imperial

Parts Number

699DDMC3

Boundary Dimensions

d	9	mm	Bore diameter
D	20	mm	Outside diameter
B	6	mm	Width
r1 (min.)	0.3	mm	Chamfer dimension

Basic Load Ratings

C_r	1890	N	Basic dynamic load rating
C_0r	840	N	Basic static load rating

Speeds

Grease

24000

min^-1

Grease lubrication

Abutment and Fillet Dimensions

db (max.)	12	mm	Diameter of shaft abutment
Db (max.)	17.2	mm	Diameter of housing abutment
rb (max.)	0.3	mm	Radius of shaft or housing fillet

Additional information

z	10		Number of Balls
Dw	2.381	mm	Ball Diameter

Mass

(approx.)

0.00833

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)
699DD	1890	840				ISO NORMAL CLASS	24000		10	2.381	0.09374	0.00833

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Not to scale.
(*) The chamfer dimensions are minimum values.
684A, 684AZZ1, 629, 629ZZ, 629XX, 629DD : Chamfer 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	ESM_MD
NSK Product Type	Bearing
Designations	699DD