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NRT 180 B

NRT 180 B

sales@its-bearing.com

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Overview
Part NumberNRT 180 B
Characteristics
System of MeasurementMetric
Roller Bearing TypeCylindrical
For Load DirectionCombined
Dimensions
Bore Dia180 mm
Bore Dia Tolerance-0.013mm to 0
Outer Dia280 mm
Outer Dia Tolerance-0.018mm to 0
Width43 mm
Shoulder Diameter Inner Ring - Large Shoulder244 mm
Chamfer Dimension r2 (min.)0.3 mm
Height Tolerance-0.175mm to 0
Distance29 mm
Outer Ring (Housing Washer) Width15 mm
Outer Ring (Housing Washer) Chamfer Dimension r1 (min.)0.6 mm
Inner Ring (Shaft/Locating Washer) Hole Pitch Circle Diameter194 mm
Outer Ring (Housing Washer) Hole Pitch Circle Diameter260 mm
Inner Ring (Shaft/Locating Washer) Through Hole7 mm
Outer Ring (Housing Washer) Through Hole7 mm
Inner Ring (Shaft Washer) Sinkhole11 mm
Inner Ring (Shaft Washer) Sinkhole Depth6.2 mm
Material
Ring MaterialChrome Steel
Roller MaterialChrome Steel
Cage MaterialBrass
Performance
Basic Dynamic Load Rating - Axial Direction80 kN
Basic Dynamic Load Rating - Radial Direction89.7 kN
Basic Static Load Rating - Radial Direction236 kN
Attainable Speed For Grease Lubrication190 r/min
Attainable Speed For Oil-Air Lubrication380 r/min
Axial Preload2.6 kN
Axial Unloading Force5.6 kN
Axial Stiffness For Preload A (sets of two brgs back-to-back or face-to-face)10600000 kN/µm
Axial Stiffness For Preload B (sets of two brgs back-to-back or face-to-face)5800000 kN/µm
Frictional Moment13 N·m
Moment Stiffness54 kN·m/mrad
Temperature Range-30° to 110 °C
Properties
LubricationGrease, Oil
RoHSCompliant
REACHCompliant
Weight7.5 kg
NRT 180 B
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