Wholesale 30mm 30.5mm 31mm 31.5mm 32mm 32.5mm Chrome Steel Bearing Balls for Deep Groove Ball Bearing

GQZ Bearing supplies high-quality large diameter chrome steel bearing balls manufactured from premium GCr15 bearing steel. Available in 30mm, 30.5mm, 31mm, 31.5mm, 32mm, and 32.5mm sizes, these precision steel balls offer excellent hardness, wear resistance, and dimensional accuracy for demanding industrial applications.

Suitable for bearing manufacturing, machinery maintenance, OEM production, and industrial replacement projects.

• High-quality GCr15 bearing steel
• High hardness and wear resistance
• Excellent dimensional accuracy
• Precision ground and polished surface
• Suitable for heavy-duty applications
• Bulk supply and OEM packaging available

• Premium Bearing Steel

  Manufactured from AISI 52100 (GCr15) steel for superior durability and fatigue resistance.

  Consistent Quality

  Strict inspection of:

  • Diameter tolerance
  • Roundness
  • Surface roughness
  • Hardness
  Flexible Supply
  • Small quantity orders accepted
  • Wholesale pricing available
  • OEM packaging support
  • Global export service
  Fast Delivery

  Stable inventory and production capacity ensure reliable lead times.

GQZ Bearing also supplies:

• Small Diameter Chrome Steel Balls
• Stainless Steel Balls
• Ceramic Bearing Balls
• Carbon Steel Balls
• Bearing Rollers
• Bearing Cages

Get your high precision chrome steel bearing balls today!