0.354 Inch | 9 Millimeter x 0.472 Inch | 12 Millimeter x 0.472 Inch | 12 Millimeter KOYO JR9X12X12 Needle Non Thrust Roller Bearings

LET OUR 0.354 Inch | 9 Millimeter x 0.472 Inch | 12 Millimeter x 0.472 Inch | 12 Millimeter KOYO JR9X12X12 Needle Non Thrust Roller Bearings EXPERTS ROLLWAY BEARING Sales Co., Ltd. GET YOU THE 0.354 Inch | 9 Millimeter x 0.472 Inch | 12 Millimeter x 0.472 Inch | 12 Millimeter PARTS YOU NEED.

Brand Name: KOYO
Model Number: JR9X12X12
Series: 93000
Cone Part Number: 93708
Cup Part Number: J93129A
Design Units: Imperial
Bearing Weight: 21.7 Kg
Cage Type: Stamped Steel
d: 179.974 mm
D: 319.999 mm
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Product Details

Series 93000
Cone Part Number 93708
Cup Part Number J93129A
Design Units Imperial
Bearing Weight 21.7 Kg
Cage Type Stamped Steel
d 179.974 mm
D 319.999 mm
B - Cone Width 63.5 mm
C - Cup Width 46.038 mm
B 63.5 mm
R - Cone Backface To Clear Radius1 3.560 mm
r - Cup Backface To Clear Radius2 3.30 mm
da - Cone Frontface Backing Diameter 203.96 mm
db - Cone Backface Backing Diameter 209.04 mm
Da - Cup Frontface Backing Diameter 298.50 mm
Db - Cup Backface Backing Diameter 287.02 mm
Ab - Cage-Cone Frontface Clearance 5.3 mm
Aa - Cage-Cone Backface Clearance 8.1 mm
a - Effective Center Location3 7.9 mm
C90 - Dynamic Radial Rating (90 million revolutions)4 42600 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5 164000 lbf
C0 - Static Radial Rating 290000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 38200 lbf
K - Factor7 1.12
e - ISO Factor8 0.52
Y - ISO Factor9 1.15
G1 - Heat Generation Factor (Roller-Raceway) 912.5
G2 - Heat Generation Factor (Rib-Roller End) 126.1
Cg - Geometry Factor 0.146
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