TIMKEN 1990X-1931 Bearing

TIMKEN 1990X-1931 tapered roller bearings

Also known as : 1990X-1931

  • Inside Diameter: 23.813 mm
  • Outside Diameter: 60.325 mm
  • Width: 21.826 mm
  • Basic dynamic load rating: 48.4 kN
  • Basic static load rating: 50.2 kN

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TIMKEN 1990X-1931 Bearing

TIMKEN 1990X-1931 Bearing details

Series 1900
model 1990X-1931
Cone Part Number 1990X
Cup Part Number 1931
Design Units Imperial
Cage Type Stamped Steel
Bearing Weight 0.300 Kg
0.70 lb
Dimensions
d - Bore 23.813 mm
0.9375 in
D - Cup Outer Diameter 60.325 mm
2.3750 in
B - Cone Width 21.336 mm
0.8400 in
C - Cup Width 15.875 mm
0.6250 in
T - Bearing Width 21.826 mm
0.8593 in
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius 3.560 mm
0.14 in
r - Cup Backface "To Clear" Radius 1.27 mm
0.050 in
da - Cone Frontface Backing Diameter 29.46 mm
1.16 in
db - Cone Backface Backing Diameter 36.07 mm
1.42 in
Da - Cup Frontface Backing Diameter 55.88 mm
2.20 in
Db - Cup Backface Backing Diameter 52.07 mm
2.05 in
Ab - Cage-Cone Frontface Clearance 2 mm
0.08 in
Aa - Cage-Cone Backface Clearance 2 mm
0.08 in
a - Effective Center Location -7.9 mm
-0.31 in
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions) 12500 N
2820 lbf
C1 - Dynamic Radial Rating (1 million revolutions) 48400 N
10900 lbf
C0 - Static Radial Rating 50200 N
11300 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions) 7080 N
1590 lbf
Factors
K - Factor 1.77
e - ISO Factor 0.33
Y - ISO Factor 1.82
G1 - Heat Generation Factor (Roller-Raceway) 12.5
G2 - Heat Generation Factor (Rib-Roller End) 6.3
Cg - Geometry Factor 0.0565

TIMKEN 1990X-1931 bearings, TS (Tapered Single) Imperial, Tapered roller bearings.

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