Needle roller bearing

INA RNA69/22-XL needle roller bearing

INA RNA69/22-XL needle roller bearing 

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INA RNA69/22-XL needle roller bearing 

The RNA69/22-XL is a Standard Duty Open Type, Single Row Machined Needle Roller Bearing with a lubrication groove and oil hole in the Outer Ring. This Bearing has no Inner Ring, meaning the Needle Rollers are mounted directly onto the shaft. As such, the Bearing has better running accuracy as it isn't affected by assembling an Inner Ring with the shaft. In caged Needle Roller Bearings like this one, the Needles are precisely guided by the Cage to achieve ideal load distribution. These Bearings are designed for high load carrying capacity in radially compact arrangements and are used in most general purpose applications. The Bearing's dimensions are 28X39X30mm.

Main Dimensions & Performance Data
Fw 28 mm Under roller diameter
D 39 mm Outside diameter
B 30 mm Width
Cr 42,000 N Basic dynamic load rating, radial
C0r 55,000 N Basic static load rating, radial
Cur 10,000 N Fatigue load limit, radial
nG 15,300 1/min Limiting speed
nG Grease 9,200 1/min Limiting speed for grease lubrication
nϑr 8,400 1/min Reference speed
≈m 90.3 g Weight

Dimensions
rmin 0.3 mm Minimum chamfer dimension
C 30 mm Width, outer ring

Temperature range
Tmin -30 °C Operating temperature min.
Tmax 120 °C Operating temperature max.

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