Product Details

Komatsu 21N-30-11530 Protector

Min.Order Quantity 1 pcs
Price Negotiable

Product Features

Komatsu 21N-30-11530 Protector Size Chart (mm/inches)

Series28000
Cone Part Number28137
Cup Part Number28314XD
Design UnitsImperial
Bearing Weight2.3 lb
Cage TypeStamped Steel
Ab - Cage-Cone Frontface Clearance0.07 in
d1.3750 in
D3.1510 in
B - Cone Width0.8244 in
C - Double Cup Width1.3750 in
T - Bearing Width across Cones1.8126 in
R - Cone Backface To Clear Radius10.06 in
r - Cup Frontface To Clear Radius20.03 in
db - Cone Backface Backing Diameter1.71 in
Da - Cup Frontface Backing Diameter2.91 in
Aa - Cage-Cone Backface Clearance0.06 in
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)34390 lbf
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)429500 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)57640 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)63020 lbf
K - Factor71.45
e - ISO Factor80.4
Y1 - ISO Factor91.68
Y2 - ISO Factor102.5
G1 - Heat Generation Factor (Roller-Raceway)1120.7
G2 - Heat Generation Factor (Rib-Roller End)12.5
Cg - Geometry Factor120.0709
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