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

7918C

Standard Series High Precision Angular Contact Ball Bearings
main product photo
Parts Number
7918CTRSULP3 Standard Series High Precision Angular Contact Ball 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

7918CTRSULP3

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 52.5 kN Basic Dynamic Load Rating
C0r 46.0 kN Basic Static Load Rating

Speeds

Grease 10700 min-1 Limiting Speed
Oil (Oil-air) 16300 min-1 Limiting Speed

Dimensions

C: 15° Contact Angle
a 23.4 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 29.1 kN Permissible Axial Load

Calculation factors

f0 16.6 Factor

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 153N 79N/μm -3μm
L 289N 102N/μm -9μm
M 740N 156N/μm -23μm
H 1488N 219N/μm -39μm

Additional information

3.4 g/brg Recommended Grease Quantities

Mass

0.568 kg Mass(approx.)
Designations Basic Load Ratings Axial Internal Clearance Accuracy Limiting Speeds Mass
Cr
 C0r
 min
 max
 Grease
(min-1)		 Oil (Oil-air)
(min-1)
(kg)
7918CTRSULP3 52.5 46.0 P3: Special class (ISO Class 4 dimensional tolerances and ISO Class 2 running accuracy.) 10700 16300 0.568

You can use this service by registering as a member.

CAD
More Information
NSK Product Type2 SP_ACBB_ST_C
NSK Product Type Super Precision Bearing
Designations 7918C

© NSK Ltd.

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