Product Details

Komatsu 3BB-50-55321KF injector

Min.Order Quantity 1 pcs
Price Negotiable

Product Features

Komatsu 3BB-50-55321KF injector Size Chart (mm/inches)

Series3900
Cone Part Number3980
Cup Part Number3920-B
Design UnitsImperial
Bearing Weight3 lb
Cage TypeStamped Steel
d2.3750 in
D4.4375 in
D1 - Flange Outer Diameter4.6210 in
B - Cone Width1.1830 in
C - Cup Width0.9375 in
C1 - Cup Flange Width0.1875 in
T1 - Bearing Width1.1875 in
T - Bearing Width to Flange0.4375 in
R - Cone Backface To Clear Radius10.14 in
r - Cup Backface To Clear Radius20.130 in
da - Cone Frontface Backing Diameter2.68 in
db - Cone Backface Backing Diameter2.95 in
Da - Cup Frontface Backing Diameter4.29 in
Ab - Cage-Cone Frontface Clearance0.08 in
Aa - Cage-Cone Backface Clearance0.06 in
a - Effective Center Location3-0.18 in
C90 - Dynamic Radial Rating (90 million revolutions)48090 lbf
C1 - Dynamic Radial Rating (1 million revolutions)531200 lbf
C0 - Static Radial Rating43000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)65570 lbf
K - Factor71.45
e - ISO Factor80.4
Y - ISO Factor91.49
G1 - Heat Generation Factor (Roller-Raceway)1075.2
G2 - Heat Generation Factor (Rib-Roller End)21.3
Cg - Geometry Factor110.109
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