3979/3925 (X4S-3979 / Y1S-3920) TIMKEN

Brand - TIMKEN
Item Number - 3979/3925 (X4S-3979 / Y1S-3920) TIMKEN
Also Known As - 3979 - 3925 (X4S-3979 - Y1S-3920)
Category - Double Row Tapered Roller Bearing (2TS-IM Type)
Bore Diameter (d) mm - 57.15
Bore Diameter (d) inch - 2.25
Outer Diameter (D) mm - 112.712
Outer Diameter (D) inch - 4.4375
Width (T) mm - 69.85
Width (T) inch - 2.25
Width (C) mm - 57.15
Width (C) inch - 2.25
Dynamic Radial Rating (C1) N - 242000
Dynamic Radial Rating (C1) lbf - 54300
Factor (e) - 0.4
Factor (Y1) - 1.68
Factor (Y2) - 2.5
Dynamic Radial Rating (90 million revolutions) (C90) N - 36000
Dynamic Radial Rating (90 million revolutions) (C90) lbf - 8090
Basic Dynamic Thrust Load Rating (90 Million Revolution) (Ca90) N - 24800
Basic Dynamic Thrust Load Rating (90 Million Revolution) (Ca90) lbf - 5570
Dynamic Radial Rating (Two-Row, 90 million revolutions) (C90(2)) N - 62700
Dynamic Radial Rating (Two-Row, 90 million revolutions) (C90(2)) lbf - 14100
Ratio of Basic Dynamic Radial Load Rating to Basic Dynamic Thrust Rating (K) - 1.45
Maximum Shaft Fillet Radius (R) mm - 3.5
Maximum Shaft Fillet Radius (R) inch - 0.14
Backing Shoulder Diameter (db) mm - 72
Backing Shoulder Diameter (db) inch - 2.83
Maximum Housing Fillet Radius (r) mm - 0.5
Maximum Housing Fillet Radius (r) inch - 0.02
Cup Frontface Backing Diameter (Da) mm - 106
Cup Frontface Backing Diameter (Da) inch - 4.17
Weight (kg) - 3
Weight (lbs) - 6.62
Inner Spacer - X4S-3979
Outer Spacer - Y1S-3920
Inner Part Number - 3979
Outer Part Number - 3925
2TS-IM - Two Single-Row Bearings with an Inner-Ring and Outer-Ring Spacer, Indirect Mounting

** Images are for representation purposes only