Bearing SMF128-2Z ZEN -

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NACHI PZS Series Hydraulic Piston Pumps Origin Japan

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Series:28000
Cone Part Number:28151
Cup Part Number:28300
Design Units:Imperial
Bearing Weight:0.4 Kg
Cage Type:Stamped Steel
d:38.1 mm
D:76.2 mm
B - Cone Width:20.940 mm
C - Cup Width:15.507 mm
B:20.638 mm
R - Cone Backface To Clear Radius1:3.560 mm
r - Cup Backface To Clear Radius2:1.27 mm
da - Cone Frontface Backing Diameter:43.43 mm
db - Cone Backface Backing Diameter:50.04 mm
Da - Cup Frontface Backing Diameter:71.88 mm
Db - Cup Backface Backing Diameter:68.07 mm
Ab - Cage-Cone Frontface Clearance:1.8 mm
Aa - Cage-Cone Backface Clearance:1.5 mm
a - Effective Center Location3:-4.8 mm
C90 - Dynamic Radial Rating (90 million revolutions)4:3700 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5:14300 lbf
C0 - Static Radial Rating:15500 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6:2550 lbf
K - Factor7:1.45
e - ISO Factor8:0.4
Y - ISO Factor9:1.49
G1 - Heat Generation Factor (Roller-Raceway):20.7
G2 - Heat Generation Factor (Rib-Roller End):12.5
Cg - Geometry Factor:0.0709

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NACHI PZS Series Hydraulic Piston Pumps Origin Japan

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