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