Description
Brand - TIMKEN
Item Number - 15578/15520 (X1S-15578/K158879R) TIMKEN
Also Known As - 15578 - 15520 (X1S-15578 - K158879R)
Category - Double Row Tapered Roller Bearing (2S Type)
Bore Diameter (d) mm - 25.4
Bore Diameter (d) inch - 1
Outer Diameter (D) mm - 57.15
Outer Diameter (D) inch - 2.25
Width (T) mm - 39.243
Width (T) inch - 1.545
Width (C) mm - 31.308
Width (C) inch - 1.2326
Dynamic Radial Rating (C1) N - 94900
Dynamic Radial Rating (C1) lbf - 21300
Factor (e) - 0.35
Factor (Y1) - 1.95
Factor (Y2) - 2.9
Dynamic Radial Rating (90 million revolutions) (C90) N - 14100
Dynamic Radial Rating (90 million revolutions) (C90) lbf - 3180
Basic Dynamic Thrust Load Rating (90 Million Revolution) (Ca90) N - 8380
Basic Dynamic Thrust Load Rating (90 Million Revolution) (Ca90) lbf - 1880
Dynamic Radial Rating (Two-Row, 90 million revolutions) (C90(2)) N - 24600
Dynamic Radial Rating (Two-Row, 90 million revolutions) (C90(2)) lbf - 5530
Ratio of Basic Dynamic Radial Load Rating to Basic Dynamic Thrust Rating (K) - 1.69
Maximum Shaft Fillet Radius (R) mm - 1.3
Maximum Shaft Fillet Radius (R) inch - 0.05
Backing Shoulder Diameter (db) mm - 32.5
Backing Shoulder Diameter (db) inch - 1.28
Maximum Housing Fillet Radius (r) mm - 53
Maximum Housing Fillet Radius (r) inch - 2.09
Snap Ring Groove (D2) mm - 59.72
Snap Ring Groove (D2) inch - 2.35
Snap Ring Groove (f) mm - 0.34
Snap Ring Groove (f) inch - 0.17
Weight (kg) - 0.47
Weight (lbs) - 1.02
Inner Spacer - X1S-15578
Outer Spacer - K158879R
Inner Part Number - 15578
Outer Part Number - 15520
2S - Two Single-Row Bearings with Snap Ring Spacer
** Images are for representation purposes only
