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  • Needle Roller Bearings RNA 4900 Series Single Row without Inner Ring
Needle Roller Bearings have a high load carrying capacity and can operate at high speeds. They have slim design and are suited where radial space is limited. They are available with or without an inner ring and seals.

Needle roller bearings without inner ring offer technically the best bearing arrangement solution if the shaft raceway is hardened and ground. This allows for the use of larger shafts and design alternatives.
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Item #

(Fw) Diameter Under Rollers

(D) Outside Diameter

(C) Width

(C) Dynamic Load

(Co) Static Load

(Grease) Lubrication Speed

(Oil) Lubrication Speed

Weight

N/A 14 mm N/A 22 mm N/A 13 mm N/A 8800 N N/A 10400 N N/A 17000 r/min N/A 26000 r/min N/A 0.02 g
N/A 16 mm N/A 24 mm N/A 13 mm N/A 9900 N N/A 12200 N N/A 16000 r/min N/A 24000 r/min N/A 0.02 g
N/A 20 mm N/A 28 mm N/A 13 mm N/A 11200 N N/A 15300 N N/A 13000 r/min N/A 19000 r/min N/A 0.02 g
N/A 22 mm N/A 30 mm N/A 13 mm N/A 11400 N N/A 16300 N N/A 12000 r/min N/A 18000 r/min N/A 0.02 g
N/A 25 mm N/A 37 mm N/A 17 mm N/A 21600 N N/A 28000 N N/A 9500 r/min N/A 15000 r/min N/A 0.05 g
N/A 28 mm N/A 39 mm N/A 17 mm N/A 23300 N N/A 32000 N N/A 9000 r/min N/A 14000 r/min N/A 0.05 g
N/A 30 mm N/A 42.000 mm N/A 17 mm N/A 24200 N N/A 34500 N N/A 8500 r/min N/A 13000 r/min N/A 0.06 g
N/A 32 mm N/A 45 mm N/A 17 mm N/A 25100 N N/A 36500 N N/A 8000 r/min N/A 12000 r/min N/A 0.07 g
N/A 35 mm N/A 47 mm N/A 17 mm N/A 25500 N N/A 39000 N N/A 7500 r/min N/A 11000 r/min N/A 0.07 g
N/A 40 mm N/A 52.000 mm N/A 20 mm N/A 30800 N N/A 51000 N N/A 7000 r/min N/A 10000 r/min N/A 0.09 g
N/A 42 mm N/A 55.000 mm N/A 20 mm N/A 31900 N N/A 54000 N N/A 6700 r/min N/A 9500 r/min N/A 0.11 g
N/A 48 mm N/A 62 mm N/A 22 mm N/A 42900 N N/A 71000 N N/A 5600 r/min N/A 8000 r/min N/A 0.14 g
N/A 52 mm N/A 68.000 mm N/A 22 mm N/A 45700 N N/A 78000 N N/A 5300 r/min N/A 7500 r/min N/A 0.18 g
N/A 58 mm N/A 72 mm N/A 22 mm N/A 47300 N N/A 85000 N N/A 5000 r/min N/A 7000 r/min N/A 0.16 g
N/A 63 mm N/A 80.000 mm N/A 25 mm N/A 57200 N N/A 106000 N N/A 4500 r/min N/A 6300 r/min N/A 0.26 g
N/A 68 mm N/A 85.000 mm N/A 25 mm N/A 60500 N N/A 114000 N N/A 4300 r/min N/A 6000 r/min N/A 0.28 g
N/A 72 mm N/A 90 mm N/A 25 mm N/A 61600 N N/A 120000 N N/A 4000 r/min N/A 5600 r/min N/A 0.31 g
N/A 80 mm N/A 100 mm N/A 30 mm N/A 84200 N N/A 163000 N N/A 3600 r/min N/A 5000 r/min N/A 0.46 g
N/A 85 mm N/A 105 mm N/A 30 mm N/A 84200 N N/A 170000 N N/A 3400 r/min N/A 4800 r/min N/A 0.60 g
N/A 90 mm N/A 110.000 mm N/A 30 mm N/A 88000 N N/A 183000 N N/A 3200 r/min N/A 4500 r/min N/A 0.52 g
N/A 100 mm N/A 120 mm N/A 35 mm N/A 108000 N N/A 250000 N N/A 2800 r/min N/A 4000 r/min N/A 0.66 g
N/A 105 mm N/A 125.000 mm N/A 35 mm N/A 112000 N N/A 265000 N N/A 2600 r/min N/A 3800 r/min N/A 0.75 g
N/A 110 mm N/A 130.000 mm N/A 35 mm N/A 114000 N N/A 270000 N N/A 2400 r/min N/A 3600 r/min N/A 0.72 g
N/A 115 mm N/A 140.000 mm N/A 40 mm N/A 125000 N N/A 280000 N N/A 2200 r/min N/A 3400 r/min N/A 1.20 g
N/A 125 mm N/A 150.000 mm N/A 40 mm N/A 130000 N N/A 300000 N N/A 2000 r/min N/A 3200 r/min N/A 1.25 g
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