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NN3952MBKR

Double-Row Cylindrical Roller Bearings

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Parts Number
NN3952MBKRE44CC0P5 Double-Row Cylindrical Roller Bearings			Add to Compare You can use this service by registering as a member.

Product Information

Parts Number

NN3952MBKRE44CC0P5

Boundary Dimensions

	NN: Inner ring rib type		Bearing Type
d	260	mm	Bore diameter
D	360	mm	Outside diameter
B	75	mm	Width
r(min.)	2.1	mm	Chamfer Dimension

Basic Load Ratings

C_r	775	kN	Basic Dynamic Load Rating
C_0r	1380	kN	Basic Static Load Rating

Speeds

Grease	2100	min^-1	Limiting Speed
Oil (Oil-air)	2600	min^-1	Limiting Speed

Dimensions

Ew	335	mm	Roller Circumscribed Circle Diameters
s	1.1	mm	Axial Displacement

Abutment and Fillet Dimensions

da(min.)	271	mm	Diameter of Shaft Abutment
d1a(min.)	275	mm	Diameter of Shaft Abutment
Da(min.)	338	mm	Diameter of Housing Abutment
Da(max.)	349	mm	Diameter of Housing Abutment
ra(max.)	2	mm	Radius of Shaft or Housing Fillet

Additional information

CC1(max.)	55	μm	Clearance in Bearings with Cylindrical Bores
CC1(min.)	20	μm	Clearance in Bearings with Cylindrical Bores
CC1(max.)	110	μm	Clearance in Bearings with Tapered Bores
CC1(min.)	55	μm	Clearance in Bearings with Tapered Bores
CC0(max.)	70	μm	Clearance in Bearings with Tapered Bores
CC0(min.)	40	μm	Clearance in Bearings with Tapered Bores
CC9(max.) Clearance CC9 applicale to cylindrical roller bearings with tapered bores in ISO Tolerance Classes 5 and 4.	55	μm	Clearance in Bearings with Tapered Bores
CC9(min.) Clearance CC9 applicale to cylindrical roller bearings with tapered bores in ISO Tolerance Classes 5 and 4.	25	μm	Clearance in Bearings with Tapered Bores
	70	g/brg	Recommended Grease Quantities

Holes Dimensions

dh	5	mm	Hole Diameter
W	9	mm	Oil Groove Width
m	4		Number of Holes

Mass

21.4

kg

Mass(approx.)

Drawing for Reference

Designations	Basic Load Ratings		Radial Internal Clearance			Accuracy	Limiting Speeds		Mass
Designations	C_r	C_0r		min	max	Accuracy	Grease (min^-1)	Oil (Oil-air) (min^-1)	(kg)
NN3952MBKRE44CC0P5	775	1380				P5: ISO Class 5	2100	2600	21.4

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Customer Questions

More Information

More Information
NSK Product Type2	SP_CRB_DR_NN39
NSK Product Type	Super Precision Bearing
Designations	NN3952MBKR

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