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

1280/1220

Inch Design Tapered Roller Bearings
main product photo
Images shown are representations. Designs and specifications may differ from actual products.
Parts Number
1280/1220 Inch Series Tapered 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.
Display units

Parts Number

1280/1220

Boundary Dimensions

d 22.225 mm Bore diameter
D 57.15 mm Outside diameter
T 22.225 mm Total width
B 22.225 mm Width of inner ring
C 17.462 mm Width of outer ring
Cup r (min.) 1.5 mm Chamfer dimension of outer ring (Cup)
Cone r (min.) 0.8 mm Chamfer dimension of inner ring (Cone)

Basic Load Ratings

Cr 53000 N Basic dynamic load rating
C0r 44000 N Basic static load rating

Speeds

Grease 7100 min-1 Grease lubrication
Oil (Oil-bath) 9500 min-1 Oil-bath lubrication

Dimensions

a 15.1 mm Effective load center

Abutment and Fillet Dimensions

da 29.5 mm Diameter of shaft abutment
Da 49 mm Diameter of housing abutment
db 29 mm Diameter of shaft abutment
Db 52 mm Diameter of housing abutment
ra (max.) 0.8 mm Radius of shaft or housing fillet of inner ring
ra (max.) 1.5 mm Radius of shaft or housing fillet of outer ring

Calculation factors

e 0.35 Constant
Y0 0.95 Axial load Factors
Y1 1.7 Axial load Factors

Mass

CONE (approx.) 0.183 kg
CUP (approx.) 0.106 kg
CAD
More Information
NSK Product Type2 TRBSR_ID
NSK Product Type Bearing
Designations 1280/1220

© NSK Ltd.

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