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Thumbnail Filmstrip of JNS NK47/20 Machined Ring Needle Roller Bearing Without Inner Ring 47mm x 57mm x 20mm Images
JNS NK47/20 Needle Roller Bearing
JNS NK47/20 Machined Ring Type Needle Roller Bearing Without Inner Ring, 47mm bore x 57mm outside diameter x 20mm width. Equivalent to IKO TAF475720, INA NK47/20, NTN NK47/20R, Torrington - Koyo NK47/20.
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.: 47mm
- O.D.: 57mm
- Width: 20mm
- Dynamic Load Rating: 31500 Cr N
- Static Load Rating: 62300 Cor N
- Limiting Speed: 8500 rpm
JNS Needle Bearing Crossover Chart
- JNS Number without Inner Ring: NK47/20
- IKO with Inner Ring: TAFI 425720
- IKO without Inner Ring: TAF475720
- INA with Inner Ring: NKI 42/20
- INA without Inner Ring: NK47/20
- NTN with Inner Ring: NK47/20R + IR424720
- NTN without Inner Ring: NK47/20R
- Torrington - Koyo with Inner Ring: NKJ 42/20
- Torrington - Koyo without Inner Ring: NK47/20
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