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

NN4956KR

Double-Row Cylindrical Roller Bearings
main product photo
Parts Number
NN4956KRE44CC9P4Y 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

NN4956KRE44CC9P4Y

Boundary Dimensions

NN: Inner ring rib type Bearing Type
d 280 mm Bore diameter
D 380 mm Outside diameter
B 100 mm Width
r(min.) 2.1 mm Chamfer Dimension

Basic Load Ratings

Cr 960 kN Basic Dynamic Load Rating
C0r 2230 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 2.4 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
95 g/brg Recommended Grease Quantities

Holes Dimensions

dh 6 mm Hole Diameter
W 12 mm Oil Groove Width
m 4 Number of Holes

Mass

30.1 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_CRB_DR_NN49
NSK Product Type Super Precision Bearing
Designations NN4956KR

© NSK Ltd.

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