Description
Brand - TIMKEN
Item Number - 18790/18720 (X7S-18790 / Y5S-18720) TIMKEN
Also Known As - 18790 - 18720 (X7S-18790 - Y5S-18720)
Category - Double Row Tapered Roller Bearing (2TS-IM Type)
Bore Diameter (d) mm - 50.8
Bore Diameter (d) inch - 2
Outer Diameter (D) mm - 85
Outer Diameter (D) inch - 3.3465
Width (T) mm - 79.375
Width (T) inch - 3.125
Width (C) mm - 71.44
Width (C) inch - 2.8126
Dynamic Radial Rating (C1) N - 95200
Dynamic Radial Rating (C1) lbf - 21400
Factor (e) - 0.41
Factor (Y1) - 1.66
Factor (Y2) - 2.48
Dynamic Radial Rating (90 million revolutions) (C90) N - 14200
Dynamic Radial Rating (90 million revolutions) (C90) lbf - 3190
Basic Dynamic Thrust Load Rating (90 Million Revolution) (Ca90) N - 9840
Basic Dynamic Thrust Load Rating (90 Million Revolution) (Ca90) lbf - 2210
Dynamic Radial Rating (Two-Row, 90 million revolutions) (C90(2)) N - 24700
Dynamic Radial Rating (Two-Row, 90 million revolutions) (C90(2)) lbf - 5550
Ratio of Basic Dynamic Radial Load Rating to Basic Dynamic Thrust Rating (K) - 1.44
Maximum Shaft Fillet Radius (R) mm - 3.5
Maximum Shaft Fillet Radius (R) inch - 0.14
Backing Shoulder Diameter (db) mm - 62
Backing Shoulder Diameter (db) inch - 2.44
Maximum Housing Fillet Radius (r) mm - 0.8
Maximum Housing Fillet Radius (r) inch - 0.03
Cup Frontface Backing Diameter (Da) mm - 80
Cup Frontface Backing Diameter (Da) inch - 3.15
Weight (kg) - 0.91
Weight (lbs) - 2.02
Inner Spacer - X7S-18790
Outer Spacer - Y5S-18720
Inner Part Number - 18790
Outer Part Number - 18720
2TS-IM - Two Single-Row Bearings with an Inner-Ring and Outer-Ring Spacer, Indirect Mounting
** Images are for representation purposes only
