45BNR19H

ROBUST Series Ultra High-Speed Angular Contact Ball Bearings

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Parts Number
45BNR19HTYNSULP3 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

45BNR19HTYNSULP3

Boundary Dimensions

	BNR: 18°		Bearing Type
d	45	mm	Bore diameter
D	68	mm	Outside diameter
B	12	mm	Width
BN	2.2	mm
SN	7.0	mm
SB	1.4	mm
r(min.)	0.6	mm	Chamfer Dimension
r1(min.)	0.3	mm	Chamfer Dimension

Basic Load Ratings

C_r	15.3	kN	Basic Dynamic Load Rating
C_0r	8.30	kN	Basic Static Load Rating

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

Grease	22000	min^-1	Limiting Speed
Oil (Oil-air)	25000	min^-1	Limiting Speed

Dimensions

	18°		Contact Angle
a	15.2	mm	Effective Load Center

Abutment and Fillet Dimensions

da(min.)	50	mm	Diameter of Shaft Abutment
Da(max.)	63	mm	Diameter of Housing Abutment
Db(max.)	65.5	mm	Diameter of Housing Abutment
ra(max.)	0.6	mm	Radius of Shaft or Housing Fillet
rb(max.)	0.3	mm	Radius of Shaft or Housing Fillet

Performance

8.10

Permissible Axial Load

Calculation factors

10.6

Factor

Preload,Rigidity(DB and DF arrangement)

	Preload	Axial Rigidity	Measured axial clearance
EL	49N	46N/μm	0μm
L	168N	72N/μm	-8μm
M	335N	95N/μm	-16μm

Additional information

0.77

g/brg

Recommended Grease Quantities

Mass

0.111

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)
45BNR19HTYNSULP3	15.3	8.30				P3: Special class (ISO Class 4 dimensional tolerances and ISO Class 2 running accuracy.)	22000	25000	0.111

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CAD

FAQs

Customer Questions

More Information

More Information
NSK Product Type2	SP_ACBB_RS_BNR
NSK Product Type	Super Precision Bearing
Designations	45BNR19H