7918A5

Standard Series High Precision Angular Contact Ball Bearings
Tap the image to enlarge it.

Parts Number

7918A5TRSUELP3

Boundary Dimensions

d 90 mm Bore diameter
D 125 mm Outside diameter
B 18 mm Width
r(min.) 1.1 mm Chamfer Dimension
r1(min.) 0.6 mm Chamfer Dimension

Basic Load Ratings

Cr 41.0 kN Basic Dynamic Load Rating
C0r 43.5 kN Basic Static Load Rating

Speeds

Grease 9400 min-1 Limiting Speed
Oil (Oil-air) 14000 min-1 Limiting Speed

Dimensions

A5: 25° Contact Angle
a 34.1 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 97 mm Diameter of Shaft Abutment
Da(max.) 118 mm Diameter of Housing Abutment
Db(max.) 120 mm Diameter of Housing Abutment
ra(max.) 1 mm Radius of Shaft or Housing Fillet
rb(max.) 0.6 mm Radius of Shaft or Housing Fillet

Performance

Pa 33.5 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 272N 203N/μm -4μm
L 500N 253N/μm -8μm
M 1096N 341N/μm -16μm
H 2184N 449N/μm -27μm

Additional information

3.4 g/brg Recommended Grease Quantities

Mass

0.560 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_ST_A5
NSK Product Type Super Precision Bearing
Designations 7918A5
Back to top
Copyright © 2013-present Magento, Inc. All rights reserved.