Menu
Batch CAD Cart (0) ▾
  • Cart is empty
  1. Click Here for Batch Download
Request Information Add to CAD Cart
Timken® angular contact ball bearings are designed for combination radial and axial loading. Single-row bearings have high thrust capacity in one direction. Some single-row bearings are specifically designed for duplex mounting in sets for maximum performance.
Unit of Measure

Specifications

Rows per Set

 N/A Quadruplex

Design Units

 N/A Metric

d - Bore

 N/A 40 mm

Ball Type

 N/A Ceramic

Cage Type

 N/A CR - Phenolic Outer Land Riding Cage

Precision Rating

 N/A ISO P4S (ABEC 7/9)

Manufacturing Part Number

 N/A 2MMC9308WI QUM

World Part Number

 N/A C71908C-T-P4S-QUM

Dimensions

D - Outer Diameter

 N/A 62 mm2.4409 in

Bearing Width

 N/A 12 mm0.4724 in

Total Width

 N/A 48 mm1.8896 in

Contact Angle

 N/A 15 º

Basic Load Ratings

C0 - Static Radial Rating (per row)

 N/A 10400 N2350 lbf
Ce - Dynamic Radial Rating (per row)1 N/A 16000 N3600 lbf

C1 ISO - Dynamic Radial Rating (per row)

 N/A 14500 N3270 lbf

Factors

Limiting Speed (Grease) (per row)

 N/A 26880 rpm

Limiting Speed (Oil)

 N/A 53760 rpm

Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius2 N/A 0.6 mm0.024 in
r - Outer Ring "To Clear" Radius3 N/A 0.6 mm0.024 in

da - Inner Ring Backing Diameter

 N/A 44.6 mm1.760 in

Da - Outer Ring Backing Diameter

 N/A 57.9 mm2.280 in
  • 1 Based on 106 revolutions of calculated fatigue life.
  • 2 Maximum housing fillet radius that bearing corners will clear.
  • 3 Maximum shaft fillet radius that bearing corners will clear.
By clicking Submit, you consent to the personal information you provide being used in the manner as described in our Privacy Notice, including access to that information by Timken personnel who may be located outside your home country. In addition, you agree that the CAD drawings are for your personal, one-time use only, and that you will not modify or create any compilation or derivative work using the CAD drawings or distribute or display the CAD drawings on any website or other media.