NK28/30-XL Heavy Duty Needle Roller Bearings (Machined)
Dimensions: Bore (Inner) Diameter: 28 mm； Outer Diameter: 37 mm； Width (Thickness): 30 mm;

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	NK28/30-XL
For Shaft Diameter	28mm
Bore Dia	28mm
Bore Dia Tolerance	0.02mm to 0.033mm
For Housing ID	37mm
Outer Dia	37mm
Outer Dia Tolerance	-0.011mm to 0
Width	30mm
Width Tolerance	-0.12mm to 0
Chamfer Dimension (r min)	0.3mm
Ring Material	steel
Roller Material	steel
Cage Material	steel
Dynamic Load Rating (Cr) (Newtons)	37000
Static Load Rating (Cor) (Newtons)	57000
Fatigue limit load(Cur) (Newtons)	10700
Max Speed (Grease) (RPM)	15800
Lubrication	Required
Lubricant	Grease
Shaft Mount Type	Press Fit
Temperature Range	-20 to 110 °C
RoHS	Compliant
Weight (grams)	82

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