Double Row Ball Slewing Bearing For Tower Crane

Series: 72000C
Cone Part Number: 72200C
Cup Part Number: 72488D
Design Units: Imperial
Bearing Weight: 9.56 lb
Cage Type: Stamped Steel
Ab - Cage-Cone Frontface Clearance: 0.2 in
d: 2 in
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Product Details

Series 72000C
Cone Part Number 72200C
Cup Part Number 72488D
Design Units Imperial
Bearing Weight 9.56 lb
Cage Type Stamped Steel
Ab - Cage-Cone Frontface Clearance 0.2 in
d 2 in
D 4.8750 in
B - Cone Width 1.2910 in
C - Double Cup Width 2.1875 in
T - Bearing Width across Cones 3.0624 in
R - Cone Backface To Clear Radius1 0.14 in
r - Cup Frontface To Clear Radius2 0.06 in
db - Cone Backface Backing Diameter 3.03 in
Da - Cup Frontface Backing Diameter 4.56 in
Aa - Cage-Cone Backface Clearance 0.15 in
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 12500 lbf
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 83900 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 21700 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 15800 lbf
K - Factor7 0.79
e - ISO Factor8 0.74
Y1 - ISO Factor9 0.92
Y2 - ISO Factor10 1.36
G1 - Heat Generation Factor (Roller-Raceway)11 57.4
G2 - Heat Generation Factor (Rib-Roller End) 13.5
Cg - Geometry Factor12 0.0825
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