TIMKEN 4A-7 Bearing

TIMKEN 4A-7 tapered roller bearings

Also known as : 4A-7

  • Inside Diameter: 19.05 mm
  • Outside Diameter: 49.154 mm
  • Width: 18.26 mm
  • Basic dynamic load rating: 20.3 kN
  • Basic static load rating: 20.6 kN

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TIMKEN 4A-7 Bearing

TIMKEN 4A-7 Bearing details

Series 5C
model 4A-7
Cone Part Number 4A
Cup Part Number 7
Design Units Imperial
Cage Type Stamped Steel
Bearing Weight 0.200 Kg
0.4 lb
Dimensions
d - Bore 19.050 mm
0.7500 in
D - Cup Outer Diameter 49.154 mm
1.9352 in
B - Cone Width 11.908 mm
0.4688 in
C - Cup Width 15.088 mm
0.5940 in
T - Bearing Width 18.260 mm
0.7189 in
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius 1.520 mm
0.06 in
r - Cup Backface "To Clear" Radius 0.38 mm
0.020 in
da - Cone Frontface Backing Diameter 23.62 mm
0.93 in
db - Cone Backface Backing Diameter 25.40 mm
1.00 in
Da - Cup Frontface Backing Diameter 42.93 mm
1.69 in
Db - Cup Backface Backing Diameter 38.61 mm
1.52 in
Ab - Cage-Cone Frontface Clearance 2.3 mm
0.09 in
Aa - Cage-Cone Backface Clearance 0.3 mm
0.01 in
a - Effective Center Location -1.8 mm
-0.07 in
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions) 5250 N
1180 lbf
C1 - Dynamic Radial Rating (1 million revolutions) 20300 N
4550 lbf
C0 - Static Radial Rating 20600 N
4640 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions) 4310 N
969 lbf
Factors
K - Factor 1.22
e - ISO Factor 0.48
Y - ISO Factor 1.25
G1 - Heat Generation Factor (Roller-Raceway) 4.6
G2 - Heat Generation Factor (Rib-Roller End) 2.6
Cg - Geometry Factor 0.0456

TIMKEN 4A-7 bearings, TS (Tapered Single) Imperial, Tapered roller bearings.

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