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.

• 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