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INA
NA4909-XL
Radial roller bearing NA4909-XL
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Main Dimensions & Performance Data
d
45 mm
Bore diameter
D
68 mm
Outside diameter
B
22 mm
Width
Cr
51,000 N
Basic dynamic load rating, radial
C0r
73,000 N
Basic static load rating, radial
Cur
12,900 N
Fatigue load limit, radial
nG
8,600 1/min
Limiting speed
nG Grease
5,200 1/min
Limiting speed for grease lubrication
nϑr
4,700 1/min
Reference speed
≈m
280.37 g
Weight

Dimensions
rmin
0.6 mm
Minimum chamfer dimension
F
52 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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