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