Angular contact ball bearings, super-precision 71917 ACD/P4A
Bearing number : 71917 ACD/P4A
Size (mm) : 85x120x18
Brand : SKF
Bore Diameter (mm) : 85
Outer Diameter (mm) : 120
Width (mm) : 18
Bearing dimensions and specification in SKF catalogue:
d - 85 mm
D - 120 mm
B - 18 mm
d1 - 95.8 mm
d2 - 95.8 mm
D1 - 109.2 mm
r1,2 - min. - 1.1 mm
r3,4 - min. - 0.6 mm
a - 33 mm
da - min. - 91 mm
db - min. - 91 mm
Da - max. - 114 mm
Db - max. - 116 mm
ra - max. - 1 mm
rb - max. - 0.6 mm
dn - 98.6 mm
Basic dynamic load rating - C - 43.6 kN
Basic static load rating - C0 - 45.5 kN
Fatigue load limit - Pu - 1.9 kN
Limiting speed for grease lubrication - 9000 r/min
Limiting speed for oil lubrication - 15000 mm/min
Ball - Dw - 11.112 mm
Ball - z - 25
Gref - 7.2 cm3
Calculation factor - e - 0.68
Calculation factor - Y2 - 0.87
Calculation factor - Y0 - 0.38
Calculation factor - X2 - 0.41
Calculation factor - Y1 - 0.92
Calculation factor - Y2 - 1.41
Calculation factor - Y0 - 0.76
Calculation factor - X2 - 0.67
Preload class A - GA - 270 N
Preload class B - GB - 540 N
Preload class C - GC - 1080 N
Preload class D - GD - 2160 N
Calculation factor - f - 1.2
Calculation factor - f1 - 0.98
Calculation factor - f2A - 1
Calculation factor - f2B - 1.04
Calculation factor - f2C - 1.08
Calculation factor - f2D - 1.14
Calculation factor - fHC - 1
Preload class A - 214 N/micron
Preload class B - 281 N/micron
Preload class C - 374 N/micron
Preload class D - 509 N/micron
Mass bearing - 0.53 kg
SKF Bearings - Bearing Parts & Supplies - Grainger .
Ball bearings are used with applications that have high axial loads and low-to-moderate radial loads. Mounted bearings (bearing units) have a bearing inside a housing unit to ensure a secure fit and mount. Sleeve and clip bearings support high loads, have no moving parts, and require lubricant to allow the shaft to turn smoothly.
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India's No. 1 SKF Bearing Dealer, Distributor, wholesaler .
Welcome to Roller Bearing (India) We roller bearing India are kolkata Mumbai Chennai Delhi based company located in India. We are a highly renowned distributor & supplier of a qualitative range of various precision engineered bearings like Ball Bearing, Roller Bearing, Spherical Roller Bearing, Taper Roller Bearing and many more.
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