The Timken Company
The Timken Company
4500 Mt Pleasant St. NW
N. Canton, OH 44720
Phone: (234) 262-3000
E-Mail: CustomerCAD@timken.com • Web site: www.timken.com
Print Back
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 Triplex

Design Units

 N/A Metric

d - Bore

 N/A 35 mm

Ball Type

 N/A STEEL

Cage Type

 N/A CR - Phenolic Outer Land Riding Cage

Precision Rating

 N/A ISO P4S (ABEC 7/9)

Manufacturing Part Number

 N/A 3MM307WI TUM

Dimensions

D - Outer Diameter

 N/A 80 mm3.1496 in

Bearing Width

 N/A 21 mm0.8268 in

Total Width

 N/A 63 mm2.4804 in

Contact Angle

 N/A 25 º

Basic Load Ratings

C0 - Static Radial Rating (per row)

 N/A 24700 N5600 lbf
Ce - Dynamic Radial Rating (per row)1 N/A 44500 N10000 lbf

C1 ISO - Dynamic Radial Rating (per row)

 N/A 40500 N9090 lbf

Factors

Limiting Speed (Grease) (per row)

 N/A 17300 rpm

Limiting Speed (Oil)

 N/A 34600 rpm

Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius2 N/A 1.5 mm0.059 in
r - Outer Ring "To Clear" Radius3 N/A 1.5 mm0.059 in

da - Inner Ring Backing Diameter

 N/A 43.2 mm1.700 in

Da - Outer Ring Backing Diameter

 N/A 72.1 mm2.840 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.