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