NSK M-851 needle roller bearings - NTN Bearing de Mexico, S.A.

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NSK M-851 needle roller bearings image

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NSK M-851 needle roller bearings Dimensions

Bearing number:7017 ACD/HCP4AH1
Size (mm):130x85x22
Bore Diameter (mm):130
Outer Diameter (mm):85
Width (mm):22
d:85 mm
D:130 mm
B:22 mm
d1:98.9 mm
d2:98.9 mm
D1:116.1 mm
K:0.5 mm
C1:5.9 mm
r1,2 - min.:1.1 mm
r3,4 - min.:0.6 mm
a:36.2 mm
da - min.:91 mm
db - min.:91 mm
Da - max.:124 mm
Db - max.:126 mm
ra - max.:1 mm
rb - max.:0.6 mm
dn:101.9 mm
Basic dynamic load rating - C:63.7 kN
Basic static load rating - C0:62 kN
Fatigue load limit - Pu:2.5 kN
Limiting speed for grease lubrication:11000 r/min
Limiting speed for oil lubrication:17000 mm/min
Ball - Dw:14.288 mm
Ball - z:21
Gref:11.7 cm3
Calculation factor - e:0.68
Calculation factor - Y2:1.41
Calculation factor - Y0:0.76
Calculation factor - X2:0.67
Calculation factor - Y1:0.92
Preload class A - GA:400 N
Preload class B - GB:800 N
Preload class C - GC:1600 N
Preload class D - GD:3200 N
Calculation factor - f:1.15
Calculation factor - f1:0.99
Calculation factor - f2A:1
Calculation factor - f2B:1.02
Calculation factor - f2C:1.05
Calculation factor - f2D:1.08
Calculation factor - fHC:1.02
Preload class A:258 N/micron
Preload class B:338 N/micron
Preload class C:450 N/micron
Preload class D:609 N/micron
r1,2 min.:1.1 mm
r3,4 min.:0.6 mm
da min.:91 mm
db min.:91 mm
Da max.:124 mm
Db max.:126 mm
ra max.:1 mm
rb max.:0.6 mm
Basic dynamic load rating C:63.7 kN
Basic static load rating C0:62 kN
Fatigue load limit Pu:2.5 kN
Attainable speed for grease lubrication:11000 r/min
Attainable speed for oil-air lubrication:17000 r/min
Ball diameter Dw:14.288 mm
Number of balls z:21
Reference grease quantity Gref:11.7 cm³
Preload class A GA:400 N
Static axial stiffness, preload class A:258 N/µm
Preload class B GB:800 N
Static axial stiffness, preload class B:338 N/µm
Preload class C GC:1600 N
Static axial stiffness, preload class C:450 N/µm
Preload class D GD:3200 N
Static axial stiffness, preload class D:609 N/µm
Calculation factor f:1.15
Calculation factor f1:0.99
Calculation factor f2A:1
Calculation factor f2B:1.02
Calculation factor f2C:1.05
Calculation factor f2D:1.08
Calculation factor fHC:1.02
Calculation factor e:0.68
Calculation factor (single, tandem) Y2:0.87
Calculation factor (single, tandem) Y0:0.38
Calculation factor (single, tandem) X2:0.41
Calculation factor (back-to-back, face-to-face) Y1:0.92
Calculation factor (back-to-back, face-to-face) Y2:1.41
Calculation factor (back-to-back, face-to-face) Y0:0.76
Calculation factor (back-to-back, face-to-face) X2:0.67
Mass bearing:0.74 kg

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NTN Bearing de Mexico, S.A.: AddressEmilio Cardenas No.158 Apdo.124, C.P.54030, Tlalnepantla, Edo.de México, Mexico; Phone(Working Time)5390-5247; Fax

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