DCM Hydraulic Pump Equipment Co., Ltd.
DCM Hydraulic Pump Equipment Co., Ltd.
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Home>Products>SINGLE ROW CYLINDRICAL ROLLER BEARING>american NF3980 SINGLE ROW CYLINDRICAL ROLLER BEARING

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  • american NF3980 SINGLE ROW CYLINDRICAL ROLLER BEARING
  • american NF3980 SINGLE ROW CYLINDRICAL ROLLER BEARING

american NF3980 SINGLE ROW CYLINDRICAL ROLLER BEARING

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  • DCM Hydraulic Pump Equipment Co., Ltd.2020-07-10 09:46:19
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Frequently bought togetheramerican NF3980 SINGLE ROW CYLINDRICAL ROLLER BEARING

american NF3980 bearing Size Chart (mm/inches)

Bearing number21308 EK
Size (mm)90x40x23
Bore Diameter (mm)90
Outer Diameter (mm)40
Width (mm)23
d40 mm
D90 mm
B23 mm
d260 mm
D179.8 mm
b5.5 mm
K3 mm
r1,2 - min.1.5 mm
da - min.47.2 mm
da - max.60 mm
Da - max.81 mm
ra - max.1.5 mm
Basic dynamic load rating - C107 kN
Basic static load rating - C0108 kN
Fatigue load limit - Pu12 kN
Reference speed7000 r/min
Limiting speed9500 r/min
Calculation factor - e0.24
Calculation factor - Y12.8
Calculation factor - Y24.2
Calculation factor - Y02.8
d2 ≈60 mm
D1 ≈79.8 mm
r1,2 min.1.5 mm
Da max.81 mm
ra max.1.5 mm
Basic dynamic load rating C107 kN
Basic static load rating C0108 kN
Fatigue load limit Pu11.8 kN
Calculation factor e0.24
Calculation factor Y12.8
Calculation factor Y24.2
Calculation factor Y02.8
Mass bearing0.74 kg
Recommended lock nut tightening angle α115 °

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Product Categories

  • Rexroth Piston Pump
  • Danfoss Shut-off valves
  • Rexroth Vane pump
  • Rexroth Solenoid directional valve
  • Rexroth THROTTLE VALVE
  • Rexroth check valve
  • Rexroth PRESSURE RELIEF VALVE
  • Yuken single Vane pump
  • Yuken Double Vane pump
  • Yuken Piston pump
  • Yuken pressure valve
  • PAKER Piston Pump
  • DENISON vane pump
  • BOSCH injector
  • CUMMINS injector
  • DEUTZ injector
  • COMMON RAIL injector
  • SINGLE ROW CYLINDRICAL ROLLER BEARING
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  • Home
  • Product Categories
    • Rexroth Piston Pump
    • Danfoss Shut-off valves
    • Rexroth Vane pump
    • Rexroth Solenoid directional valve
    • Rexroth THROTTLE VALVE
    • Rexroth check valve
    • Rexroth PRESSURE RELIEF VALVE
    • Yuken single Vane pump
    • Yuken Double Vane pump
    • Yuken Piston pump
    • Yuken pressure valve
    • PAKER Piston Pump
    • DENISON vane pump
    • BOSCH injector
    • CUMMINS injector
    • DEUTZ injector
    • COMMON RAIL injector
    • SINGLE ROW CYLINDRICAL ROLLER BEARING
  • Company Profile
    • Company Introduction
  • Technical Articles
  • Contact Us