Toggle Nav
Search
Advanced Search
Menu
Account
Settings
  • Sign In >

NN3956MBKR

Double-Row Cylindrical Roller Bearings
main product photo
Parts Number
NN3956MBKRE44CC1P4 Double-Row Cylindrical Roller Bearings
Add to Compare
You can use this service by registering as a member.
Add to Compare
You can use this service by registering as a member.
Tap the image to enlarge it.

Parts Number

NN3956MBKRE44CC1P4

Boundary Dimensions

NN: Inner ring rib type Bearing Type
d 280 mm Bore diameter
D 380 mm Outside diameter
B 75 mm Width
r(min.) 2.1 mm Chamfer Dimension

Basic Load Ratings

Cr 695 kN Basic Dynamic Load Rating
C0r 1460 kN Basic Static Load Rating

Speeds

Grease 2000 min-1 Limiting Speed
Oil (Oil-air) 2500 min-1 Limiting Speed

Dimensions

Ew 355 mm Roller Circumscribed Circle Diameters
s 1.1 mm Axial Displacement

Abutment and Fillet Dimensions

da(min.) 291 mm Diameter of Shaft Abutment
d1a(min.) 295 mm Diameter of Shaft Abutment
Da(min.) 358 mm Diameter of Housing Abutment
Da(max.) 369 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
75 g/brg Recommended Grease Quantities

Holes Dimensions

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

Mass

22.8 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_CRB_DR_NN39
NSK Product Type Super Precision Bearing
Designations NN3956MBKR

© NSK Ltd.

Back to top
Copyright © 2013-present Magento, Inc. All rights reserved.