JNS NA4909 Needle Roller Bearing

JNS NA4909 Machined Ring Type Needle Roller Bearing With Inner Ring, 45mm bore x 68mm outside diameter x 22mm width. Equivalent to IKO NA4909, INA NA4909, NTN NA4909R, Torrington - Koyo NA4909.

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.: 45mm
• O.D.: 68mm
• Width: 22mm
• Dynamic Load Rating: 43500 Cr N
• Static Load Rating: 73400 Cor N
• Limiting Speed: 7500 rpm

JNS Needle Bearing Crossover Chart

• JNS Number with Inner Ring: NA4909
• IKO with Inner Ring: NA4909
• IKO without Inner Ring: RNA4909
• INA with Inner Ring: NA4909
• INA without Inner Ring: RNA4909
• NTN with Inner Ring: NA4909R
• NTN without Inner Ring: RNA4909R
• Torrington - Koyo with Inner Ring: NA4909
• Torrington - Koyo without Inner Ring: RNA4909