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
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Unit of Measure

Specifications

Cage Type

 N/A Polymer Cage

Design Units

 N/A Metric

d - Bore

 N/A 70 mm

Type

 N/A NUP

Dimensions

D - Outer Diameter

 N/A 125 mm4.9213 in

C - Inner Ring Width

 N/A 24 mm0.9449 in

B - Outer Ring Width

 N/A 24 mm0.9449 in

Basic Load Ratings

C0 - Static Radial Rating

 N/A 140800 N
C - Dynamic Radial Rating1 N/A 121200 N

Factors

Reference Thermal Speed Rating (Grease)

 N/A 3900 rpm
Reference Thermal Speed Rating (Oil)2 N/A 4700 rpm

Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius3 N/A 1.5 mm0.059 in
r - Outer Ring "To Clear" Radius4 N/A 1.5 mm0.059 in

da - Inner Ring Backing Diameter

 N/A 79 mm3.1102 in

Da - Outer Ring Backing Diameter

 N/A 115 mm4.5276 in
  • 1 Based on 1 X 106 L10 life for the ISO life calculation method.
  • 2 See thermal speed ratings in the engineering section.
  • 3 Maximum housing fillet radius that bearing corners will clear.
  • 4 Maximum shaft fillet radius that bearing corners will clear.