Montage of Timken Bearing Products
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Key Features

  • Available in single, double and multi-row configurations, as well as proprietary sizes
  • Designed in collaboration with OE engineers to design, engineer and test bearings for premium performance in many applications
  • Power dense designs allow for heavier loads and can help extend bearing life
  • Optimized internal geometry lowers torque and operating temperatures to extend lubrication system life
  • Can be designed to withstand high-corrosive, high-temperature and vacuum or low-lubrication environments with proprietary enhancements
Unit of Measure

Key Dimensions

Cone Part Number

 N/A HM161040

Cup Part Number

 N/A HM161012

Bore (d)

 N/A 12.2000 in309.880 mm

O.D. (D)

 N/A 19.75 in501.65 mm

Width (T)

 N/A 3.875 in98.425 mm
Dynamic Radial Load Rating - 1M Revs (C1)1 N/A 585000 lbf2600000 N
Dynamic Radial Load Rating - 90M Revs (C90) 2 N/A 152000 lbf675000 N
e Factor3 N/A 0.3
K Factor4 N/A 1.95
Y Factor 5 N/A 2

Other Dimensions

Weight

 N/A 170.10 lb77.2 Kg

Inner Ring Width (B)

 N/A 3.8750 in98.425 mm

Outer Ring Width (C)

 N/A 3.125 in79.375 mm
Effective Center Location6 N/A -0.47 in-11.9 mm
Max Shaft Fillet Radius7 N/A 0.25 in6.35 mm
Max Housing Fillet Radius8 N/A 0.13 in3.3 mm

Shaft Backing Shoulder Diameter - Frontface (da)

 N/A 13.35 in339 mm

Shaft Backing Shoulder Diameter - Backface (db)

 N/A 13.7 in348 mm

Housing Backing Shoulder Diameter - Frontface (Da)

 N/A 18.72 in475.49 mm

Housing Backing Shoulder Diameter - Backface (Db)

 N/A 18.43 in468.12 mm

Cage Location Relative to Backface (Aa)

 N/A 0.07 in1.8 mm

Cage Location Relative to Frontface (Ab)

 N/A 0.32 in8.1 mm

Ratings

Dynamic Axial Rating - 90M Revs (Ca90)9 N/A 77900 lbf346000 N

Static Radial Load Rating (C0)

 N/A 848000 lbf3770000 N

Factors

G1 Factor

 N/A 3153.6

G2 Factor

 N/A 239.4
Geometry Factor (Cg)10 N/A 0.184
  • 1 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
  • 2 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
  • 3 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 4 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 5 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 6 Negative value indicates effective center inside cone backface.
  • 7 These maximum fillet radii will be cleared by the bearing corners.
  • 8 These maximum fillet radii will be cleared by the bearing corners.
  • 9 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.
  • 10 Geometry constant for Lubrication Life Adjustment Factor a3l.