JNS NK21/20 Needle Roller Bearing

JNS NK21/20 Machined Ring Type Needle Roller Bearing Without Inner Ring, 21mm bore x 29mm outside diameter x 20mm width. Equivalent to IKO TAF212920, INA NK21/20, NTN NK21/20R, Torrington - Koyo NK21/20.

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.: 21mm
• O.D.: 29mm
• Width: 20mm
• Dynamic Load Rating: 18200 Cr N
• Static Load Rating: 27100 Cor N
• Limiting Speed: 19000 rpm

JNS Needle Bearing Crossover Chart

• JNS Number without Inner Ring: NK21/20
• IKO with Inner Ring: TAFI 172920
• IKO without Inner Ring: TAF212920
• INA with Inner Ring: NKI 17/20
• INA without Inner Ring: NK21/20
• NTN with Inner Ring: NK21/20R + IR172120
• NTN without Inner Ring: NK21/20R
• Torrington - Koyo with Inner Ring: NKJ 17/20
• Torrington - Koyo without Inner Ring: NK21/20