Montage of Timken Bearing Products
Batch CAD Cart (0) ▾
  • Cart is empty
  1. Click Here for Batch Download
Request Information Add to CAD Cart
This is the most basic and most widely used type of tapered roller bearing. It consists of two main separable parts: the cone (inner ring) assembly and the cup (outer ring). It is typically mounted in opposing pairs on a shaft.
Unit of Measure

Specifications

Series

 N/A 32926M

Cone Part Number

 N/A X32926M

Cup Part Number

 N/A Y32926M

Design Unit

 N/A Metric

Cage Material

 N/A Stamped Steel

Related Assembly Number(s)

 N/A 32926M-90KM1

Dimensions

d - Bore

 N/A 130 mm5.1181 in

D - Cup Outer Diameter

 N/A 180 mm7.0866 in

B - Cone Width

 N/A 32.000 mm1.2598 in

C - Cup Width

 N/A 25.000 mm0.9843 in

T - Bearing Width

 N/A 32.000 mm1.2598 in

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1 N/A 2.030 mm0.08 in
r - Cup Backface "To Clear" Radius2 N/A 1.52 mm0.06 in

da - Cone Frontface Backing Diameter

 N/A 139 mm5.47 in

db - Cone Backface Backing Diameter

 N/A 141 mm5.55 in

Da - Cup Frontface Backing Diameter

 N/A 174.00 mm6.86 in

Db - Cup Backface Backing Diameter

 N/A 169.93 mm6.69 in

Ab - Cage-Cone Frontface Clearance

 N/A 2.3 mm0.09 in

Aa - Cage-Cone Backface Clearance

 N/A 1.5 mm0.06 in
a - Effective Center Location3 N/A 0 mm0 in

Basic Load Ratings

C90 - Dynamic Radial Rating (90 million revolutions)4 N/A 54400 N12200 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5 N/A 210000 N47200 lbf

C0 - Static Radial Rating

 N/A 356000 N80000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 N/A 31600 N7110 lbf

Factors

K - Factor7 N/A 1.72
e - ISO Factor8 N/A 0.34
Y - ISO Factor9 N/A 1.77

G1 - Heat Generation Factor (Roller-Raceway)

 N/A 268.5

G2 - Heat Generation Factor (Rib-Roller End)

 N/A 151.7
Cg - Geometry Factor10 N/A 0.141
  • 1 These maximum fillet radii will be cleared by the bearing corners.
  • 2 These maximum fillet radii will be cleared by the bearing corners.
  • 3 Negative value indicates effective center inside cone backface.
  • 4 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
  • 5 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
  • 6 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values for a single-row, C90(2) is the two-row radial value.
  • 7 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 8 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 9 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 10 Geometry constant for Lubrication Life Adjustment Factor a3l.