70BNRD10X

ROBUST Series Ultra High-Speed Angular Contact Ball Bearings

Skip to the beginning of the images gallery

Images shown are representations. Designs and specifications may differ from actual products.

Parts Number
70BNRD10XTYNSUHP4Y ROBUST Series Ultra High-Speed Angular Contact Ball Bearings			Add to Compare You can use this service by registering as a member.

Product Information

Parts Number

70BNRD10XTYNSUHP4Y

Boundary Dimensions

	BNRD: 18°		Bearing Type
d	70	mm	Bore diameter
D	110	mm	Outside diameter
B	20	mm	Width
BN	4.0	mm
SN	12	mm
SB	1.4	mm
r(min.)	1.1	mm	Chamfer Dimension
r1(min.)	0.6	mm	Chamfer Dimension

Basic Load Ratings

C_r	65.5	kN	Basic Dynamic Load Rating
C_0r	21.8	kN	Basic Static Load Rating

Speeds The limiting speeds of the ball guided cage is lower than the outer ring guided cage.

Grease	23400	min^-1	Limiting Speed
Oil (Oil-air)	36700	min^-1	Limiting Speed

Dimensions

	18°		Contact Angle
a	24.6	mm	Effective Load Center

Abutment and Fillet Dimensions

da(min.)	77	mm	Diameter of Shaft Abutment
Da(max.)	103	mm	Diameter of Housing Abutment
Db(max.)	105	mm	Diameter of Housing Abutment
ra(max.)	1	mm	Radius of Shaft or Housing Fillet
rb(max.)	0.6	mm	Radius of Shaft or Housing Fillet

Performance

21.1

Permissible Axial Load

Calculation factors

8.10

Factor

Preload,Rigidity(DB and DF arrangement)

	Preload	Axial Rigidity	Measured axial clearance
EL	49N	57N/μm	0μm
L	387N	118N/μm	-15μm
M	840N	160N/μm	-28μm

Additional information

3.4

g/brg

Recommended Grease Quantities

Mass

0.534

Mass(approx.)

Drawing for Reference

Designations	Basic Load Ratings		Axial Internal Clearance			Accuracy	Limiting Speeds		Mass
Designations	C_r	C_0r		min	max	Accuracy	Grease (min^-1)	Oil (Oil-air) (min^-1)	(kg)
70BNRD10XTYNSUHP4Y	65.5	21.8				P4Y: Special class (Special bore and outside diameter tolerances, others are ISO Class 4.)	23400	36700	0.534

You can use this service by registering as a member.

CAD

FAQs

Customer Questions

More Information

More Information
NSK Product Type2	SP_ACBB_RS_BNRD
NSK Product Type	Super Precision Bearing
Designations	70BNRD10X