Part Number 05185-B, Tapered Roller Bearings - Single Flanged Cups

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Like the TS bearing design, the TSF design 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. TSF bearings have flanged cups to facilitate axial location and accurately align seals in through-bored housings.

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Unit of Measure

Key Dimensions | Other Dimensions | Factors

Key Dimensions

Cup Part Number	N/A 05185-B
O.D. (D)	N/A 1.8504 in47 mm
Outer Ring Width (C)	N/A 0.4375 in11.113 mm
e Factor ¹	N/A 0.36
K Factor ²	N/A 1.64
Y Factor ³	N/A 1.68

Other Dimensions

Weight	N/A 0.4 Kg0.9 lb
Outer Ring Flange O.D.(D1)	N/A 2.0024 in50.861 mm
Outer Ring Flange Width (C2)	N/A 0.1090 in2.769 mm
Max Housing Fillet Radius⁴	N/A 0.06 in1.5 mm
Housing Backing Shoulder Dia. - Frontface (Da)	N/A 1.79 in45.47 mm

Factors

G1 Factor	N/A 1.07
G2 Factor	N/A 1.07
Geometry Factor (Cg)⁵	N/A 0.0448

¹ These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
² These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
³ These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
⁴ These maximum fillet radii will be cleared by the bearing corners.
⁵ Geometry constant for Lubrication Life Adjustment Factor a3l.

Key Dimensions

Cup Part Number

O.D. (D)

Outer Ring Width (C)

Other Dimensions

Weight

Outer Ring Flange O.D.(D1)

Outer Ring Flange Width (C2)

Housing Backing Shoulder Dia. - Frontface (Da)

Factors

G1 Factor

G2 Factor