170FC118850B KOYO Four-row cylindrical roller bearings
Brand Name:KOYO
Model Number:170FC118850B
Series:745
Cone Part Number:749
Cup Part Number:742DC
Design Units:Imperial
Bearing Weight:17.25 lb
Cage Type:Stamped Steel
Ab - Cage-Cone Frontface Clearance:0.08 in
d:3.3475 in
PDF 170FC118850B

Product Details

Series745
Cone Part Number749
Cup Part Number742DC
Design UnitsImperial
Bearing Weight17.25 lb
Cage TypeStamped Steel
Ab - Cage-Cone Frontface Clearance0.08 in
d3.3475 in
D6.1250 in
B - Cone Width1.8375 in
C - Double Cup Width3.3750 in
T - Bearing Width across Cones4 in
R - Cone Backface To Clear Radius10.14 in
r - Cup Frontface To Clear Radius20.06 in
db - Cone Backface Backing Diameter3.98 in
Da - Cup Frontface Backing Diameter5.64 in
Aa - Cage-Cone Backface Clearance0.05 in
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)321900 lbf
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4147000 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)538200 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)612200 lbf
K - Factor71.8
e - ISO Factor80.33
Y1 - ISO Factor92.08
Y2 - ISO Factor103.09
G1 - Heat Generation Factor (Roller-Raceway)11160
G2 - Heat Generation Factor (Rib-Roller End)26.3
Cg - Geometry Factor120.0898
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Company Profile

FGDB Pump Machinery Equipment Co., Ltd.
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