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