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NNU4930MB

Double-Row Cylindrical Roller Bearings

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Parts Number
NNU4930MBCC1P4Y Double-Row Cylindrical Roller Bearings			Add to Compare You can use this service by registering as a member.

Product Information

Parts Number

NNU4930MBCC1P4Y

Boundary Dimensions

	NNU: Outer ring rib type		Bearing Type
d	150	mm	Bore diameter
D	210	mm	Outside diameter
B	60	mm	Width
r(min.)	2	mm	Chamfer Dimension

Basic Load Ratings

C_r	405	kN	Basic Dynamic Load Rating
C_0r	715	kN	Basic Static Load Rating

Speeds

Grease	4200	min^-1	Limiting Speed
Oil (Oil-air)	5000	min^-1	Limiting Speed

Dimensions

Ew	167	mm	Roller Circumscribed Circle Diameters
s	1.3	mm	Axial Displacement

Abutment and Fillet Dimensions

da(min.)	159	mm	Diameter of Shaft Abutment
d1a(min.)	162	mm	Diameter of Shaft Abutment
Da(max.)	201	mm	Diameter of Housing Abutment
ra(max.)	2	mm	Radius of Shaft or Housing Fillet

Additional information

CC1(max.)	35	μm	Clearance in Bearings with Cylindrical Bores
CC1(min.)	10	μm	Clearance in Bearings with Cylindrical Bores
	24	g/brg	Recommended Grease Quantities

Holes Dimensions

dh	4	mm	Hole Diameter
W	8	mm	Oil Groove Width
m	4		Number of Holes

Mass

5.85

kg

Mass(approx.)

CAD

Customer Questions

More Information

More Information
NSK Product Type2	SP_CRB_DR_NNU
NSK Product Type	Super Precision Bearing
Designations	NNU4930MB

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