Product parameters

• Part Number QSR31BRA-58a
• Seal Type Rubber seal 
• Bearing Inner Ring Dia. (d)31mm
• Bearing Outer Ring Dia. (D)58mm
• Bearing Outer Ring Width(C)40mm
• Roller Length (L)68mm
• Roller Height (H)61mm
• Ring Material 100Cr6 /GCr15
• Ball Material 100Cr6 /GCr15
• Cage Material T14 steel
• Dynamic Load Rating (Cr) 52KN
• Static Load Rating (Cor) 90KN
• Grease Filling 80%
• Hardness 58-62HRC
• Rivet ML20 steel