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INA
NA6904-XL
Radial roller bearing NA6904-XL
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Main Dimensions & Performance Data
d
20 mm
Bore diameter
D
37 mm
Outside diameter
B
30 mm
Width
Cr
40,500 N
Basic dynamic load rating, radial
C0r
51,000 N
Basic static load rating, radial
Cur
9,200 N
Fatigue load limit, radial
nG
16,900 1/min
Limiting speed
nG Grease
10,100 1/min
Limiting speed for grease lubrication
nϑr
8,900 1/min
Reference speed
≈m
137 g
Weight

Dimensions
rmin
0.3 mm
Minimum chamfer dimension
F
25 mm
Raceway diameter inner ring
s
1 mm
Axial displacement

Temperature range
Tmin
-30 °C
Operating temperature min.
Tmax
120 °C
Operating temperature max.

Your current product variant
CageStandardStandard
Radial internal clearanceCN (Group N)Normal internal clearance
Lubrication holewithwith
CoatingWithout
SealingWithout
Special featuresWithout
Number of rolling element rows1Single-row design
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