Komatsu PC300-2 Excavator Slewing Bearing

Product Details

Series	M249700
Cone Part Number	K150195
Cup Part Number	K150496
Design Units	Imperial
Bearing Weight	22.1 Kg
Cage Type	Stamped Steel
d	253.238 mm
D	359.537 mm
B - Cone Width	71.438 mm
C - Cup Width	53.975 mm
B	71.438 mm
R - Cone Backface To Clear Radius1	3.560 mm
r - Cup Backface To Clear Radius2	3.30 mm
da - Cone Frontface Backing Diameter	271.02 mm
db - Cone Backface Backing Diameter	275.08 mm
Da - Cup Frontface Backing Diameter	343.41 mm
Db - Cup Backface Backing Diameter	335.03 mm
Ab - Cage-Cone Frontface Clearance	4.3 mm
Aa - Cage-Cone Backface Clearance	7.1 mm
a - Effective Center Location3	-6.9 mm
C90 - Dynamic Radial Rating (90 million revolutions)4	66900 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5	258000 lbf
C0 - Static Radial Rating	416000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6	38100 lbf
K - Factor7	1.76
e - ISO Factor8	0.33
Y - ISO Factor9	1.8
G1 - Heat Generation Factor (Roller-Raceway)	1626
G2 - Heat Generation Factor (Rib-Roller End)	173
Cg - Geometry Factor	0.153