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