Komatsu PC220-3 1303*1084*104mm Slewing Bearing

Series:	HM256800
Cone Part Number:	HM256848DWH
Design Units:	Imperial
Cage Type:	Stamped Steel
db - Cone Backface Backing Diameter:	12.48 in
C1 - Dynamic Radial Rating (1 million revolutions)1:	321000 lbf
C0 - Static Radial Rating:	587000 lbf
d:	11.7500 in
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Product Details

Series	HM256800
Cone Part Number	HM256848DWH
Design Units	Imperial
Cage Type	Stamped Steel
db - Cone Backface Backing Diameter	12.48 in
C1 - Dynamic Radial Rating (1 million revolutions)1	321000 lbf
C0 - Static Radial Rating	587000 lbf
d	11.7500 in
B - Double Cone Width	5.9375 in
R - Cone Frontface To Clear Radius2	0.130 in
da - Cone Frontface Backing Diameter	12.48 in
Ab - Cage-Cone Frontface Clearance	0.19 in
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3	83300 lbf
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4	560000 lbf
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5	145000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6	48000 lbf
K - Factor7	1.73
Cg - Geometry Factor8	0.175