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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
icNumber 7705021
Inch/Metric Metric
Internal Design Split Inner Ring
Precision Standard
Static Load Rating [Max] 420000 N
Bore Type Round Bore
Capacity Standard Capacity
Rows of Balls Single
Lubricant Oil Preservative
Cage Material Brass/Bronze
Origin Single Row Angular Contact
Type 4-Point
Outer Ring Width 42 mm
Radial Internal Clearance Specification Normal Clearance
No. in Set Single Bearing
Preload Level None
Inner Ring Width 42 mm
Locking Device No Locking Device
Cage Type Metal
Radial Internal Clearance Normal
Bearing Type Angular Contact
O.D. 250 mm
Corner Radius [Min] 3 mm
Snap Ring No Snap Ring
Width 42.000 mm
Precision Level Standard (ABEC 1)
Material Steel
Seal Type Unsealed
Limiting Speed - Grease 3840 rpm
Dynamic Load Rating 315000 N
Ball Material Steel
Enclosure Open
O.D. Type Straight
I.D. 140 mm
Seal Material None
Limiting Speed - Oil 4700 rpm
Contact Angle 35°
Fillet Radius 3 mm
Weight 21.379 LB
EAN or UPC 4012801267847
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