NSK RNA4915TT needle roller bearings

NSK RNA4915TT needle roller bearings 615 Series Product Brochures , Manufacturing Service . Get Your Free.

Series	615
Cup Part Number	612-B
Design Units	Imperial
D	4.7500 in
D1 – Flange Outer Diameter	5.0272 in
C – Cup Width	1.2500 in
C1 – Cup Flange Width	0.2812 in
r – Cup Backface To Clear Radius1	0.130 in
Da – Cup Frontface Backing Diameter	4.35 in
K – Factor2	1.86
e – ISO Factor3	0.31
Y – ISO Factor4	1.91
Cg – Geometry Factor5	0.0694

Detailed Parameters

parameter：

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