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