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NRT 850 A

NRT 850 A

sales@its-bearing.com

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Overview
Part NumberNRT 850 A
Characteristics
System of MeasurementMetric
Roller Bearing TypeCylindrical
For Load DirectionCombined
Dimensions
Bore Dia850 mm
Bore Dia Tolerance-0.05mm to 0
Outer Dia1095 mm
Outer Dia Tolerance-0.055mm to 0
Width124 mm
Shoulder Diameter Inner Ring - Large Shoulder1018 mm
Chamfer Dimension r2 (min.)1.5 mm
Height Tolerance-0.85mm to 0
Distance80.5 mm
Outer Ring (Housing Washer) Width37 mm
Outer Ring (Housing Washer) Chamfer Dimension r1 (min.)1.5 mm
Inner Ring (Shaft/Locating Washer) Hole Pitch Circle Diameter890 mm
Outer Ring (Housing Washer) Hole Pitch Circle Diameter1055 mm
Inner Ring (Shaft/Locating Washer) Through Hole18 mm
Outer Ring (Housing Washer) Through Hole18 mm
Inner Ring (Shaft Washer) Sinkhole26 mm
Inner Ring (Shaft Washer) Sinkhole Depth17 mm
Material
Ring MaterialChrome Steel
Roller MaterialChrome Steel
Cage MaterialBrass
Performance
Basic Dynamic Load Rating - Axial Direction415 kN
Basic Dynamic Load Rating - Radial Direction473 kN
Basic Static Load Rating - Radial Direction2120 kN
Attainable Speed For Grease Lubrication40 r/min
Attainable Speed For Oil-Air Lubrication80 r/min
Axial Preload47 kN
Axial Unloading Force103 kN
Axial Stiffness For Preload A (sets of two brgs back-to-back or face-to-face)77000000 kN/µm
Axial Stiffness For Preload B (sets of two brgs back-to-back or face-to-face)22400000 kN/µm
Frictional Moment300 N·m
Moment Stiffness7011 kN·m/mrad
Temperature Range-30° to 110 °C
Properties
LubricationGrease, Oil
RoHSCompliant
REACHCompliant
Weight253 kg
NRT 850 A
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