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Four-Point Ball Bearing

QJ228-N2-MPA

Four-Point Ball Bearing
Item #100950181
  • 140 mm Inner Diameter
  • 250 mm Outer Diameter
  • 42 mm Width
Four-Point Ball Bearing
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    Shipment Options
  • 140 mm Inner Diameter
  • 250 mm Outer Diameter
  • 42 mm Width

applications

  • Suitable for use in pumps, compressors, agriculture machinery, etc.

features

  • Innovative steel cage design
  • 30° contact angle
  • P6 manufacturing tolerance for optimized waviness, roughness and roundness
  • Improved raceway surfaces and ball quality
  • Improved ball quality
  • Innovative light contact HRS seal (axial contact to the inner ring)
  • New Z dust shield
  • Also available: optimized TVH plastic cage
  • Filled with grease on both sides
  • Lower total cost of ownership (TCO)
  • Suitable for higher loads (especially under axial loads)
  • Reduced noise generation
  • Reduced heat generation
  • Reduced energy consumption
  • More reliable
  • Higher speeds possible
  • Longer life
  • Improved sealing function
  • Extended grease life
Inner Ring Width 42 mm
Ball Material Steel
Precision Standard
Limiting Speed - Oil 4700 rpm
Static Load Rating [Max] 420000 N
Seal Type Unsealed
Type 4-Point
Capacity Standard Capacity
Origin Single Row Angular Contact
Seal Material None
icNumber 7705021
I.D. 140 mm
Locking Device No Locking Device
O.D. Type Straight
Contact Angle 35°
Bore Type Round Bore
Lubricant Oil Preservative
Limiting Speed - Grease 3840 rpm
Material Steel
Cage Type Metal
No. in Set Single Bearing
Enclosure Open
Width 42.000 mm
Cage Material Brass/Bronze
Snap Ring No Snap Ring
Radial Internal Clearance Normal
Rows of Balls Single
Precision Level Standard (ABEC 1)
Radial Internal Clearance Specification Normal Clearance
O.D. 250 mm
Corner Radius [Min] 3 mm
Outer Ring Width 42 mm
Internal Design Split Inner Ring
Inch/Metric Metric
Bearing Type Angular Contact
Preload Level None
Dynamic Load Rating 315000 N
Fillet Radius 3 mm
Weight 21.379 LB
EAN or UPC 4012801267847
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