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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.
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Unit of Measure

Key Dimensions

Series

 N/A 07000

Cone Part Number

 N/A 07100

Cup Part Number

 N/A 07196

Seal Part Number

 N/A 07000LA

Bore (d)

 N/A 1 in25.4 mm

O.D. (D)

 N/A 1.9687 in50.005 mm

Design Unit

 N/A Inch

Width (T)

 N/A 0.5313 in13.495 mm
Dynamic Radial Load Rating - 90M Revs (C90) 1 N/A 1700 lbf7550 N
Dynamic Radial Load Rating - 1M Revs (C1) 2 N/A 6540 lbf29100 N

Static Radial Load Rating (C0)

 N/A 6650 lbf29600 N
K Factor 3 N/A 1.45
e Factor 4 N/A 0.4
Y Factor 5 N/A 1.49

Cage Material

 N/A Stamped Steel

Other Dimensions

Inner Ring Width (B)

 N/A 0.5614 in14.260 mm

Outer Ring Width (C)

 N/A 0.375 in9.525 mm

T1 - Total Width

 N/A 0.606 in15.4 mm
Max Shaft Fillet Radius6 N/A 0.04 in1 mm
Max Housing Fillet Radius7 N/A 0.04 in1.02 mm

Shaft Backing Shoulder Diameter - Frontface (da)

 N/A 1.16 in29.5 mm

Shaft Backing Shoulder Diameter - Backface (db)

 N/A 1.2 in30.5 mm

Housing Backing Shoulder Diameter - Frontface (Da)

 N/A 1.87 in47.50 mm

Housing Backing Shoulder Diameter - Backface (Db)

 N/A 1.75 in44.45 mm

Cage Location Relative to Frontface (Ab) 

 N/A 0.08 in2 mm

Cage Location Relative to Backface (Aa)

 N/A 0 in0 mm
Effective Center Location8 N/A -0.11 in-2.8 mm

Weight

 N/A 0.25 lb0.11 Kg

Ratings

Ca90 - Dynamic Thrust Rating (90 million revolutions)9 N/A 1170 lbf5190 N

Factors

Y1 Factor 10 N/A 1.68
Y2 Factor 11 N/A 2.5

G1 Factor

 N/A 7.6

G2 Factor

 N/A 7.1
Geometry Factor (Cg)12 N/A 0.0509
  • 1 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
  • 2 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
  • 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 These maximum fillet radii will be cleared by the bearing corners.
  • 7 These maximum fillet radii will be cleared by the bearing corners.
  • 8 Negative value indicates effective center inside cone backface.
  • 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 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 11 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 12 Geometry constant for Lubrication Life Adjustment Factor a3l.