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