JNS NA4911 Needle Roller Bearing
JNS NA4911 Machined Ring Type Needle Roller Bearing With Inner Ring, 55mm bore x 80mm outside diameter x 25mm width. Equivalent to IKO NA4911, INA NA4911, NTN NA4911R, Torrington - Koyo NA4911.
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.: 55mm
- O.D.: 80mm
- Width: 25mm
- Dynamic Load Rating: 57600 Cr N
- Static Load Rating: 97300 Cor N
- Limiting Speed: 6500 rpm
JNS Needle Bearing Crossover Chart
- JNS Number with Inner Ring: NA4911
- IKO with Inner Ring: NA4911
- IKO without Inner Ring: RNA4911
- INA with Inner Ring: NA4911
- INA without Inner Ring: RNA4911
- NTN with Inner Ring: NA4911R
- NTN without Inner Ring: RNA4911R
- Torrington - Koyo with Inner Ring: NA4911
- Torrington - Koyo without Inner Ring: RNA4911
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