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INA
BK0408
Drawn cup needle roller bearing closed end BK0408
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Main Dimensions & Performance Data
Fw
4 mm
Under roller diameter
D
8 mm
Outside diameter
C
8 mm
Width, outer ring
Cr
1,780 N
Basic dynamic load rating, radial
C0r
1,310 N
Basic static load rating, radial
Cur
147 N
Fatigue load limit, radial
nG Grease
25,500 1/min
Limiting speed for grease lubrication
nG
42,500 1/min
Limiting speed
nϑr
44,500 1/min
Reference speed
≈m
1.6 g
Weight

Dimensions
rmin
0.3 mm
Minimum chamfer dimension
Ct min
6.4 mm
Minimum width to base of drawn cup with closed end

Temperature range
Tmin
-30 °C
Operating temperature min.
Tmax
140 °C
Operating temperature max.

Additional information
GR4X8X2
Sealing ring

Your current product variant
LubricantWithout
Lubrication holeWithout
CoatingWithout
SealingWithout
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