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NNF 5056 B-2LS bearing Non-standard cylindrical roller bearings
size
d
280 mm internal diameter
D
420 mm external diameter
B
190 mm width
C
189 mm Outer ring width (sealed bearing)
d1
≈333 mm Inner ring shoulder diameter
D3
413 mm Diameter of outer ring stop groove
C1
163.2 mm Distance between two stop grooves on the outer surface of the outer ring
Tolerance of distance C1
+0.2 mm Tolerance of distance C1
C2
12.9 mm Distance between outer ring and seal groove
b
7.3 mm Width of outer ring stop groove
b1
9.5 mm Outer ring lubrication groove width
K
6 mm Diameter of lubrication hole (outer ring)
r
min.2 mm Chamfer size (sealed bearing)
r3,4
min.1.1 mm Chamfer Dimension
Liaocheng Fute Bearing Technology Co., Ltd.
Phone : 0635-2855567
Mobile : 13561491333
Email : futezc@163.com
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