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Product parameters

  • QIBR No.QSB030XP0
  • RBC No.SB030XP0*RBC
  • Bearing Type Four-point Contact
  • Construction Single Row
  • Seal Type Open
  • Cross Section 5/16″ x 5/16″
Overall Dimensions
  • Bore Dia (d) 3.000″
  • Outer Dia (D) 3.625″
  • Width (B) 0.3125"
  • Land dia.L1 3.231″
  • Land dia.L2 3.393″
  • Weight (lbs) 0.24
Load Capacity
  • Dynamic Radial(lbs) 839
  • Dynamic Thrust(lbs) 1296
  • Dynamic moment(in-lbs) 1043
  • Static Radial(lbs) 1206
  • Static Thrust(lbs) 3015
  • Static  moment(in-lbs) 1998
Other parameters
  • Ring Material 440C stainless steel
  • Ball Material 440C stainless steel
  • Cage Material Brass
  • Lubrication Oil/grease
  • Temperature Range -40° to 120 ℃
  • Ball Hardness HRC 58-65
  • ABEC Rating ABEC-1
  • Quality Control ISO 9001
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