HKB2S

Marginal lubricating bearing

HKB2S carbon steel based boundary lead-free self-lubricating bearing, which has the same structure and performance as HKB20, can be used for a long time without refueling under boundary lubrication conditions, and has oil storage pits on the surface of th

Technical Parameter

- Max bearing pressure P
  Static load 250N/mm²
  Max Load P
  Dynamic 140N/mm²
  Max Load P
  Vibrate 70N/mm²
- Max linear velocity V
  Grease 2.5m/s
  Max linear velocity V
  Oil >3m/s
- Max PV value
  Grease 2.8N/mm²・m/s
  Max PV value
  Oil 50N/mm²・m/s
- Coefficient of friction μ
  Grease 0.15~0.25
  Coefficient of friction μ
  Oil 0.05~0.15
- Matching axis  Hardness >270
  Matching axis
  Roughness Ra=0.4~1.25
- Operation temperature
-40℃~+120℃
- Thermal conductivity 52W(m·k)
- Thermal expansion coefficient (axial) 16×10^-6K^-1