Bearing Balls

Stainless Steel Bearing Balls

When precision matters, the material, hardness, size and grade of a bearing ball can directly affect equipment performance. ReFast supplies quality bearing balls, including steel balls, stainless steel balls and steel bearing balls, for replacement, maintenance, manufacturing and precision engineering applications across Australia.

The ReFast Advantage

ReFast supplies premium bearing components trusted by Australian industries.

  • 100% Australian family-owned and operated.
  • Extensive range of precision bearing balls.
  • Premium steel balls and stainless steel balls for industrial applications.
  • Products sourced from trusted global manufacturers.
  • Expert technical support to help you choose the correct product.
  • Competitive pricing across our entire range.
  • Fast Australia-wide shipping on stocked products.
  • Reliable supply for workshops, manufacturers and maintenance teams.
  • Easy-to-navigate product categories for faster ordering.
  • Backed by industry expertise and responsive customer service.

Bearing Balls for Industrial & Precision Applications

Material, hardness, grade, roundness, surface finish and dimensional tolerance can all affect how a ball performs within a bearing or other precision mechanical application. Choosing the wrong specification can lead to increased friction, uneven load distribution, premature wear or reduced equipment performance.

ReFast supplies steel bearing balls for replacement, maintenance, manufacturing and specialised engineering requirements. Chrome steel balls are commonly selected where high hardness, wear resistance and load-carrying performance are required. Stainless steel balls provide greater corrosion resistance, making them suitable for applications exposed to moisture and other challenging environments.

Bearing balls are available in different diameters and precision grades to meet specific application requirements. Whether you know the exact specification or need help identifying a replacement, ReFast can assist with selecting the appropriate material, size and grade for the job.

Explore More

  • Roller Bearings – Heavy-duty bearings engineered for demanding radial and axial load applications.
  • Insert Bearings & Housings – Mounted bearing units designed for industrial and agricultural equipment.
  • Bearing & Shaft Accessories – Adaptor sleeves, lock nuts, washers and installation components.
  • Plain Bearings – Reliable bearing solutions for oscillating movement and heavy-duty industrial application.

FAQs

What does the grade of a bearing ball mean?

The grade of a bearing ball refers to its level of manufacturing precision. It considers characteristics such as roundness, diameter variation and surface quality. In general, a lower grade number represents tighter tolerances and greater precision. The appropriate grade depends on the speed, load and accuracy required for the application.

How hard are steel bearing balls?

The hardness of steel bearing balls varies according to the material and manufacturing process. Hardened chrome steel is commonly used where high hardness, load capacity and resistance to wear are required. The appropriate hardness should be selected according to the operating load, application and required service life rather than hardness alone.

What is the difference between chrome steel balls and stainless steel balls?

Chrome steel balls are commonly chosen for their high hardness, strength and wear resistance. Stainless steel balls provide greater resistance to corrosion and are generally more suitable where components are exposed to moisture or corrosive operating conditions. The correct material depends on both the mechanical requirements and operating environment.

Why are roundness and tolerance important for bearing balls?

Small variations in the diameter or roundness of bearing balls can affect friction, vibration, load distribution and overall performance. Applications requiring high precision therefore need balls manufactured to tighter dimensional tolerances. Matching the correct grade and tolerance is particularly important when balls form part of a precision mechanical assembly.

How do I measure a loose bearing ball correctly?

A precision micrometer is generally the best way to determine the diameter of a loose bearing ball. Measurements should be taken carefully because even small dimensional differences can affect fit and operation. Where possible, also check the original equipment or component specifications for the required diameter, material, tolerance and grade.

Can I replace one damaged bearing ball instead of the entire bearing?

This depends on the design and condition of the assembly. A replacement ball must match the required diameter, material, hardness and grade, but damage to one ball may indicate wear elsewhere in the assembly. For critical machinery, the races and remaining balls should be inspected before deciding whether individual replacement is appropriate.

Warranty & Returns

If you receive a damaged, faulty, defective or incorrectly supplied product, you may request a Return Management Authority (RMA) within 7 days of receiving your order. To qualify, the item must have been purchased within the last 30 days, remain in its original packaging, be unused and untampered with, and be accompanied by proof of purchase. Once approved, ReFast will issue an RMA number and return instructions, with products to be returned within 14 days of approval.

Shipping & Delivery

ReFast provides reliable Australia-wide shipping on eligible domestic orders. Standard shipping is available for a flat rate of $12 via Australia Post eParcel, while customers requiring faster delivery can choose the $35 Courier Service. Flat-rate shipping excludes large or bulky items, consignments exceeding 21kg, dangerous goods and remote Australian locations, where freight will be quoted separately. All in-stock products are typically dispatched within 48 hours of receiving your order, and if any supply delays occur, our team will notify you promptly. If your order has not arrived within seven working days after dispatch, simply contact ReFast and we'll investigate the shipment and assist with your delivery as quickly as possible.