Bearing 6840NR CYSD -

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NACHI PZS Series Hydraulic Piston Pumps Origin Japan

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Bearing 6840NR CYSD image

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Series:94000
Cone Part Number:94675
Cup Part Number:94113
Design Units:Imperial
Bearing Weight:16.20 Kg
Cage Type:Stamped Steel
d:171.450 mm
D:288.925 mm
B - Cone Width:63.5 mm
C - Cup Width:47.625 mm
B:63.5 mm
R - Cone Backface To Clear Radius1:7.110 mm
r - Cup Backface To Clear Radius2:3.30 mm
da - Cone Frontface Backing Diameter:191.01 mm
db - Cone Backface Backing Diameter:201.93 mm
Da - Cup Frontface Backing Diameter:273.05 mm
Db - Cup Backface Backing Diameter:259.08 mm
Ab - Cage-Cone Frontface Clearance:6.3 mm
Aa - Cage-Cone Backface Clearance:6.1 mm
a - Effective Center Location3:-0.8 mm
C90 - Dynamic Radial Rating (90 million revolutions)4:38500 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5:148000 lbf
C0 - Static Radial Rating:242000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6:30800 lbf
K - Factor7:1.25
e - ISO Factor8:0.47
Y - ISO Factor9:1.28
G1 - Heat Generation Factor (Roller-Raceway):692.3
G2 - Heat Generation Factor (Rib-Roller End):93.9
Cg - Geometry Factor:0.129

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NACHI PZS Series Hydraulic Piston Pumps Origin Japan

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