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 20 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 2MMC304WI QUM

Dimensions

D - Outer Diameter

 N/A 52 mm2.0472 in

Bearing Width

 N/A 15 mm0.5906 in

Total Width

 N/A 60 mm2.3624 in

Contact Angle

 N/A 15 º

Basic Load Ratings

C0 - Static Radial Rating (per row)

 N/A 8900 N2000 lbf
Ce - Dynamic Radial Rating (per row)1 N/A 21500 N4840 lbf

C1 ISO - Dynamic Radial Rating (per row)

 N/A 19500 N4400 lbf

Factors

Limiting Speed (Grease) (per row)

 N/A 38600 rpm

Limiting Speed (Oil)

 N/A 77200 rpm

Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius2 N/A 1 mm0.039 in
r - Outer Ring "To Clear" Radius3 N/A 1 mm0.039 in

da - Inner Ring Backing Diameter

 N/A 29.9 mm1.180 in

Da - Outer Ring Backing Diameter

 N/A 46.6 mm1.840 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.