JNS NA4903UU Needle Roller Bearing

JNS NA4903UU Machined Ring Type Sealed Needle Roller Bearing With Inner Ring, 17mm bore x 30mm outside diameter x 13mm width. Equivalent to IKO NA4903UU, INA NA4903.2RS, NTN NA4903LL, Torrington - Koyo NA4903.2RS.

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.: 17mm
• O.D.: 30mm
• Width: 13mm
• Dynamic Load Rating: 10300 Cr N
• Static Load Rating: 13100 Cor N
• Limiting Speed: 8500 rpm

JNS Needle Bearing Crossover Chart

• JNS Number with Inner Ring: NA4903UU
• IKO with Inner Ring: NA4903UU
• IKO without Inner Ring: RNA4903UU
• INA with Inner Ring: NA4903.2RS
• INA without Inner Ring: RNA4903.2RS
• NTN with Inner Ring: NA4903LL
• NTN without Inner Ring: RNA4903LL
• Torrington - Koyo with Inner Ring: NA4903.2RS
• Torrington - Koyo without Inner Ring: RNA4903.2RS