NTN NJ304
ISO Series Single Row Cylindrical Roller Bearings
(BRAND)：NTN
(Availability)：In Stock
Technical Specifications
Type
Cylindrical Roller Bearing
Bore Type
Round
Outside Ring Type
Two Ribbed Outer Ring
Material
Hardened Alloy Steel
Cage Material
Pressed Steel
Limiting Speed - Oil
17000 RPM
Limiting Speed - Grease
14000 RPM
Precision
ISO Class 0
Configuration
One
Tolerance
ISO Class 0 (RBEC 1)
Oil Hole
w/o Oil Hole
Radial Internal Clearance
CN
Static Load Rating
26900 N
Dynamic Load Rating
31500 N
Enclosure
Open
Weight
0.152 kg
Operating Temperature Range
-40 to 120 ºC
Dimensional Specifications
d
20.000 mm
D
52.000 mm
B
15.000 mm
Fw
28.500 mm
J
31.800 mm
r
1.100 mm
da min
24.000 mm
Da max
45.500 mm
r1as max
0.600 mm
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