55BNRD10J

ROBUST Series Ultra High-Speed Angular Contact Ball Bearings

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Parts Number
55BNRD10JTYNSUELP4 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

55BNRD10JTYNSUELP4

Boundary Dimensions

	BNRD: 18°		Bearing Type
d	55	mm	Bore diameter
D	90	mm	Outside diameter
B	18	mm	Width
BN	4.3	mm
SN	10	mm
SB	1.4	mm
r(min.)	1.1	mm	Chamfer Dimension
r1(min.)	0.6	mm	Chamfer Dimension

Basic Load Ratings

C_r	37.5	kN	Basic Dynamic Load Rating
C_0r	14.5	kN	Basic Static Load Rating

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

Grease	24900	min^-1	Limiting Speed
Oil (Oil-air)	38700	min^-1	Limiting Speed

Dimensions

	18°		Contact Angle
a	20.8	mm	Effective Load Center

Abutment and Fillet Dimensions

da(min.)	62	mm	Diameter of Shaft Abutment
Da(max.)	83	mm	Diameter of Housing Abutment
Db(max.)	85	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

13.9

Permissible Axial Load

Calculation factors

8.00

Factor

Preload,Rigidity(DB and DF arrangement)

	Preload	Axial Rigidity	Measured axial clearance
EL	49N	50N/μm	0μm
L	268N	93N/μm	-12μm
M	567N	124N/μm	-23μm

Additional information

2.2

g/brg

Recommended Grease Quantities

Mass

0.338

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)
55BNRD10JTYNSUELP4	37.5	14.5				P4: ISO Class 4	24900	38700	0.338

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CAD

FAQs

Customer Questions

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More Information
NSK Product Type2	SP_ACBB_RS_BNRD
NSK Product Type	Super Precision Bearing
Designations	55BNRD10J