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NN4980

Double-Row Cylindrical Roller Bearings

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Parts Number
NN4980CC1P4Y Double-Row Cylindrical Roller Bearings			Add to Compare You can use this service by registering as a member.

Product Information

Parts Number

NN4980CC1P4Y

Boundary Dimensions

	NN: Inner ring rib type		Bearing Type
d	400	mm	Bore diameter
D	540	mm	Outside diameter
B	140	mm	Width
r(min.)	4	mm	Chamfer Dimension

Basic Load Ratings

C_r	1940	kN	Basic Dynamic Load Rating
C_0r	4900	kN	Basic Static Load Rating

Speeds

Grease	1400	min^-1	Limiting Speed
Oil (Oil-air)	1700	min^-1	Limiting Speed

Dimensions

Ew	505	mm	Roller Circumscribed Circle Diameters
s	3.5	mm	Axial Displacement

Abutment and Fillet Dimensions

da(min.)	416	mm	Diameter of Shaft Abutment
d1a(min.)	428	mm	Diameter of Shaft Abutment
Da(min.)	508	mm	Diameter of Housing Abutment
Da(max.)	524	mm	Diameter of Housing Abutment
ra(max.)	3	mm	Radius of Shaft or Housing Fillet

Additional information

CC1(max.)	75	μm	Clearance in Bearings with Cylindrical Bores
CC1(min.)	25	μm	Clearance in Bearings with Cylindrical Bores

Holes Dimensions

dh	8	mm	Hole Diameter
W	15	mm	Oil Groove Width
m	4		Number of Holes

Mass

84.1

kg

Mass(approx.)

CAD

Customer Questions

More Information

More Information
NSK Product Type2	SP_CRB_DR_NN49
NSK Product Type	Super Precision Bearing
Designations	NN4980

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