Description
Brand - TIMKEN
Item Number - NA87700SW/87112D TIMKEN
Also Known As - NA87700SW - 87112D
Category - Double Row Tapered Roller Bearing (TNASWE Type)
Bore Diameter (d) mm - 177.8
Bore Diameter (d) inch - 7
Outer Diameter (D) mm - 282.575
Outer Diameter (D) inch - 11.125
Width (T) mm - 107.95
Width (T) inch - 4.25
Double Outer Ring Width (C) mm - 79.375
Double Outer Ring Width (C) inch - 3.125
Dynamic Load Rating (C1) N - 886000
Dynamic Load Rating (C1) lbf - 199000
Factor (e) - 0.42
Factor (Y1) - 1.62
Factor (Y2) - 2.42
Dynamic Radial Rating (90 million revolutions) (C90) N - 132000
Dynamic Radial Rating (90 million revolutions) (C90) lbf - 29700
Basic Dynamic Thrust Load Rating (90 Million Revolution) (Ca90) N - 93900
Basic Dynamic Thrust Load Rating (90 Million Revolution) (Ca90) lbf - 21100
Dynamic Radial Rating (Two-Row, 90 million revolutions) (C90(2)) N - 230000
Dynamic Radial Rating (Two-Row, 90 million revolutions) (C90(2)) lbf - 51700
Ratio of Basic Dynamic Radial Load Rating to Basic Dynamic Thrust Rating (K) - 1.41
Outside Diameter of Rib (d1) mm - 233.213
Outside Diameter of Rib (d1) inch - 9.1816
Maximum Shaft Fillet Radius (R) mm - 3.5
Maximum Shaft Fillet Radius (R) inch - 0.14
Backing Shoulder Diameter (db) mm - 200
Backing Shoulder Diameter (db) inch - 7.87
Maximum Housing Fillet Radius (r) mm - 1.5
Maximum Housing Fillet Radius (r) inch - 0.06
Cup Frontface Backing Diameter (Da) mm - 267
Cup Frontface Backing Diameter (Da) inch - 10.5
Weight (kg) - 22.95
Weight (lbs) - 50.585
Inner Part Number - NA87700SW
Outer Part Number - 87112D
TNASWE - Double-Row Bearings are a Variant of Type TNA, with Lubricant Slots and Extended Back Face Rib
** Images are for representation purposes only




