SMR84ZZ main material is stainless steel, size is: diameter 4mm, diameter 8mm, height is 3mm. Contamination by dust, dirt, debris, and corrosion are sources of 40% chance of bearing failure. Miniature bearing failures resulting from the environment and pollution are preventable and the simple cause of the naked eye can determine the cause of such failure. As long as the use and installation of reasonable, micro-bearing erosion is easy to avoid. Use and installation of reasonable and careful maintenance of the product is the reason why the bearing life is long.

Q1: Are you a Manufacturer or trading company?
Answer: We are professional manufactuer of bearings since 1998 with ISO standards.

Q2: Can I get a sample to check out the quality?
Answer: Sure, free samples are available for stock products if you can pay for the shipping cost.

Q3: Can you do OEM to print my logo/brand on the products?
Answer: Yes, we can print your logo/brand on the products, you just need to send us your logo/brand files, we will show you how it looks like.We can also make custom package to your request.

Q4: How soon can I expect my order to be finished?
Answer: We have regular stock for standard bearings that can be shipped right after your payment. It will take 15-60 days for new production order,which depends on your order quantity.

Q5: What if I receive defective products for my order?
Answer: All our bearings are 100% inspected strictly before packing. If any defective products received, please provide photos and video to show us the problem and help us improve the quality. New products will be sent to you as replacement if the probelm is product quality.