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Often referred to as snap-ring assemblies, type 2S consist of two basic single-row bearings (type TS). They are supplied complete with inner-ring and outer-ring spacers to give a pre determined bearing setting when assembled. Type 2S have a specified setting range to suit the duty of the application. They have an inner-ring spacer and a snap-ring, which also serves as the outer-ring spacer, to give axial location in a through-bored housing.
Unit of Measure

Key Dimensions

Cone Part Number

 N/A 15578

Cup Part Number

 N/A 15520

Inner Spacer Part Number

 N/A X1S-15578

Outer Spacer Part Number

 N/A K158879R

Bore (d)

 N/A 1 in25.400 mm

O.D. (D)

 N/A 2.25 in57.15 mm

Width (T)

 N/A 1.5450 in39.243 mm
Dynamic Radial Load Rating - 1M Revs (C1)1 N/A 21300 lbf94900 N
Dynamic Radial Load Rating - 90M Revs (C90) 2 N/A 3180 lbf14100 N
Dynamic Radial Load Rating 2-Row - 90M Revs (C90-2row)3 N/A 5530 lbf24600 N
e Factor 4 N/A 0.35
K Factor 5 N/A 1.69

Other Dimensions

Weight

 N/A 0.47 Kg1.02 lb

Width (C)

 N/A 1.2326 in31.308 mm

Snap Ring Diameter

 N/A 2.35 in59.72 mm

Snap Ring Width

 N/A 0.17 in0.34 mm
Max Shaft Fillet Radius6 N/A 0.050 in1.300 mm
Max Housing Fillet Radius7 N/A 0.06 in1.52 mm

Shaft Backing Shoulder Dia. - Backface (db)

 N/A 1.28 in32.5 mm

Housing Backing Shoulder Dia. - Frontface (Da)

 N/A 2.11 in53.10 mm

Ratings

Dynamic Axial Rating - 90M Revs (Ca90)8 N/A 1880 lbf8380 N

Factors

Y1 Factor 9 N/A 1.95
Y2 Factor 10 N/A 2.9
  • 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 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.
  • 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 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.
  • 9 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 10 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.