JNS NA4918 Needle Roller Bearing
JNS NA4918 Machined Ring Type Needle Roller Bearing With Inner Ring, 90mm bore x 125mm outside diameter x 35mm width. Equivalent to IKO NA4918, INA NA4918, NTN NA4918R, Torrington - Koyo NA4918.
Machined type needle roller bearings are high precision bearings which consist of machined outer ring with a complement of needle rollers retained and guided by a cage. The bearings feature a smaller cross-section, higher load-carrying capacity, greater rigidity. Therefore, they are useful in making machinery smaller and lighter.
Specifications- I.D.: 90mm
- O.D.: 125mm
- Width: 35mm
- Dynamic Load Rating: 112800 Cr N
- Static Load Rating: 257900 Cor N
- Limiting Speed: 3800 rpm
JNS Needle Bearing Crossover Chart
- JNS Number with Inner Ring: NA4918
- IKO with Inner Ring: NA4918
- IKO without Inner Ring: RNA4918
- INA with Inner Ring: NA4918
- INA without Inner Ring: RNA4918
- NTN with Inner Ring: NA4918R
- NTN without Inner Ring: RNA4918R
- Torrington - Koyo with Inner Ring: NA4918
- Torrington - Koyo without Inner Ring: RNA4918
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