66388L Franke Slewing Ring Bearings - NTN BEARING CORP.

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66388L Franke Slewing Ring Bearings image

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66388L Franke Slewing Ring Bearings Codes and sizes

Series:16900
Cone Part Number:16986
Cup Part Number:16929
Design Units:Imperial
Bearing Weight:0.4 Kg
Cage Type:Stamped Steel
d:42.987 mm
D:74.988 mm
B - Cone Width:19.837 mm
C - Cup Width:14.288 mm
B:19.368 mm
R - Cone Backface To Clear Radius1:1.520 mm
r - Cup Backface To Clear Radius2:1.27 mm
da - Cone Frontface Backing Diameter:48.51 mm
db - Cone Backface Backing Diameter:51.05 mm
Da - Cup Frontface Backing Diameter:71.88 mm
Db - Cup Backface Backing Diameter:68.07 mm
Ab - Cage-Cone Frontface Clearance:1.5 mm
Aa - Cage-Cone Backface Clearance:0.3 mm
a - Effective Center Location3:-2 mm
C90 - Dynamic Radial Rating (90 million revolutions)4:3470 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5:13400 lbf
C0 - Static Radial Rating:16500 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6:2640 lbf
K - Factor7:1.31
e - ISO Factor8:0.44
Y - ISO Factor9:1.35
G1 - Heat Generation Factor (Roller-Raceway):25.1
G2 - Heat Generation Factor (Rib-Roller End):17.4
Cg - Geometry Factor:0.0783

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NTN BEARING CORP.: Address1-2-16 Kyomachibori, Nishi-ku, Osaka-shi, Osaka 520-03653, Japan; Phone(Working Time)753-298-1258; Fax

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angular contact ball bearings

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