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NRT 80 B

NRT 80 B

sales@its-bearing.com

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Overview
Part NumberNRT 80 B
Characteristics
System of MeasurementMetric
Roller Bearing TypeCylindrical
For Load DirectionCombined
Dimensions
Bore Dia80 mm
Bore Dia Tolerance-0.009mm to 0
Outer Dia146 mm
Outer Dia Tolerance-0.011mm to 0
Width35 mm
Shoulder Diameter Inner Ring - Large Shoulder130 mm
Chamfer Dimension r2 (min.)0.3 mm
Height Tolerance-0.175mm to 0
Distance23.35 mm
Outer Ring (Housing Washer) Width12 mm
Outer Ring (Housing Washer) Chamfer Dimension r1 (min.)0.3 mm
Inner Ring (Shaft/Locating Washer) Hole Pitch Circle Diameter92 mm
Outer Ring (Housing Washer) Hole Pitch Circle Diameter138 mm
Inner Ring (Shaft/Locating Washer) Through Hole5.6 mm
Outer Ring (Housing Washer) Through Hole4.6 mm
Inner Ring (Shaft Washer) Sinkhole10 mm
Inner Ring (Shaft Washer) Sinkhole Depth4 mm
Material
Ring MaterialChrome Steel
Roller MaterialChrome Steel
Cage MaterialBrass
Performance
Basic Dynamic Load Rating - Axial Direction37.5 kN
Basic Dynamic Load Rating - Radial Direction55 kN
Basic Static Load Rating - Radial Direction102 kN
Attainable Speed For Grease Lubrication350 r/min
Attainable Speed For Oil-Air Lubrication700 r/min
Axial Preload1.3 kN
Axial Unloading Force2.8 kN
Axial Stiffness For Preload A (sets of two brgs back-to-back or face-to-face)5000000 kN/µm
Axial Stiffness For Preload B (sets of two brgs back-to-back or face-to-face)3100000 kN/µm
Frictional Moment3 N·m
Moment Stiffness7 kN·m/mrad
Temperature Range-30° to 110 °C
Properties
LubricationGrease, Oil
RoHSCompliant
REACHCompliant
Weight2.3 kg
NRT 80 B
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