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NN3008MB

Double-Row Cylindrical Roller Bearings

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Parts Number
NN3008MBCC1P4 Double-Row Cylindrical Roller Bearings			Add to Compare You can use this service by registering as a member.

Product Information

Parts Number

NN3008MBCC1P4

Boundary Dimensions

	NN: Inner ring rib type		Bearing Type
d	40	mm	Bore diameter
D	68	mm	Outside diameter
B	21	mm	Width
r(min.)	1	mm	Chamfer Dimension

Basic Load Ratings

C_r	50.0	kN	Basic Dynamic Load Rating
C_0r	55.5	kN	Basic Static Load Rating

Speeds

Grease	13900	min^-1	Limiting Speed
Oil (Oil-air)	16700	min^-1	Limiting Speed

Dimensions

Ew	61	mm	Roller Circumscribed Circle Diameters
s	1.4	mm	Axial Displacement

Abutment and Fillet Dimensions

da(min.)	45	mm	Diameter of Shaft Abutment
d1a(min.)	46	mm	Diameter of Shaft Abutment
Da(min.)	62	mm	Diameter of Housing Abutment
Da(max.)	63	mm	Diameter of Housing Abutment
ra(max.)	1	mm	Radius of Shaft or Housing Fillet

Additional information

CC1(max.)	15	μm	Clearance in Bearings with Cylindrical Bores
CC1(min.)	5	μm	Clearance in Bearings with Cylindrical Bores
	1.0	g/brg	Recommended Grease Quantities

Holes Dimensions

dh	2	mm	Hole Diameter
W	3.5	mm	Oil Groove Width
m	4		Number of Holes

Mass

0.356

kg

Mass(approx.)

CAD

Customer Questions

More Information

More Information
NSK Product Type2	SP_CRB_DR_NN30
NSK Product Type	Super Precision Bearing
Designations	NN3008MB

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