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RNA4912-XL Heavy Duty Needle Roller Bearings (Machined)
Dimensions: Bore (Inner) Diameter: 68 mm; Outer Diameter: 85 mm; Width (Thickness): 25 mm;

RNA4912-XL
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Product Attributes
Bearing Type Roller
Roller Bearing Type Needle
For Load Direction Radial
Construction Single Row
System of Measurement Metric
Seal Type Open
Part Number RNA4912-XL
For Shaft Diameter 68mm
Bore Dia 68mm
Bore Dia Tolerance 0.03mm to 0.049mm
For Housing ID 85mm
Outer Dia 85mm
Outer Dia Tolerance -0.015mm to 0
Width 25mm
Width Tolerance -0.15mm to 0
Chamfer Dimension (r min) 1mm
Ring Material steel
Roller Material steel
Cage Material steel
Dynamic Load Rating (Cr) (Newtons) 68000
Static Load Rating (Cor) (Newtons) 108000
Fatigue limit load(Cur) (Newtons) 19100
Max Speed (Grease) (RPM) 6700
Lubrication Required
Lubricant Grease
Shaft Mount Type Press Fit
Temperature Range -20 to 110 °C
RoHS Compliant
Weight (grams) 275
RNA4912-XL
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