NSK FWF-404527 needle roller bearings

Request A Quote For 100x70x16 Size (mm) 70 Outer Diameter (mm) Your Special NSK FWF-404527 needle roller bearings Needs Today! Free Quotes. ISO 9001 certified.

Size (mm)	100x70x16
Bore Diameter (mm)	100
Outer Diameter (mm)	70
Width (mm)	16
d	70 mm
D	100 mm
B	16 mm
d1	79.3 mm
d2	76.8 mm
D1	90.52 mm
b	2 mm
C1	8.6 mm
C2	2.8 mm
C3	2.8 mm
r1,2 – min.	1 mm
r3,4 – min.	0.3 mm
a	29.1 mm
da – min.	74.6 mm
db – min.	72 mm
Da – max.	95.4 mm
Db – max.	98 mm
ra – max.	1 mm
rb – max.	0.3 mm
dn	81.5 mm
Basic dynamic load rating – C	20.8 kN
Basic static load rating – C0	15.3 kN
Fatigue load limit – Pu	0.655 kN
Limiting speed for grease lubrication	16500 r/min
Limiting speed for oil lubrication	26000 mm/min
Ball – Dw	9.525 mm
Ball – z	22
Gref	4.3 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	190 N
Preload class B – GB	570 N
Preload class C – GC	1130 N
Calculation factor – f	1.14
Calculation factor – f1	0.99
Calculation factor – f2A	1
Calculation factor – f2B	1.04
Calculation factor – f2C	1.07
Calculation factor – fHC	1
Preload class A	131 N/micron
Preload class B	197 N/micron
Preload class C	258 N/micron
r1,2 min.	1 mm
r3,4 min.	0.3 mm
da min.	74.6 mm
db min.	72 mm
Da max.	95.4 mm
Db max.	98 mm
ra max.	1 mm
rb max.	0.3 mm
Basic dynamic load rating C	20.8 kN
Basic static load rating C0	15.3 kN
Fatigue load limit Pu	0.655 kN
Attainable speed for grease lubrication	16500 r/min
Attainable speed for oil-air lubrication	26000 r/min
Ball diameter Dw	9.525 mm
Number of balls z	22
Reference grease quantity Gref	4.3 cm³
Preload class A GA	190 N
Static axial stiffness, preload class A	131 N/µm
Preload class B GB	570 N
Static axial stiffness, preload class B	197 N/µm
Preload class C GC	1130 N
Static axial stiffness, preload class C	258 N/µm
Calculation factor f	1.14
Calculation factor f1	0.99
Calculation factor f2A	1
Calculation factor f2B	1.04
Calculation factor f2C	1.07
Calculation factor fHC	1
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	0.32 kg

Detailed Parameters

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