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