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You’re looking at a range of R-series deep groove ball bearings covering bore diameters form 4.763mm up to 19.050mm, with outer diameters hitting 41.275mm at the top end, and we stock these in open, shielded, or sealed configurations depending on what your housing and contamination risk look like.
These are single-row radial bearings with a zero-degree contact angle, so they’re not built for axial loads—stick to radial or light combined loads, and they’ll handle ratings from 0.268kN to 7.753kN depending on the size you pick, which is pretty much standard for automotive alternators, electric motors, and water pump shafts.
3, we offer precision grades from P0 up to P4, and noise levels run Zv1 through Zv4, so if you’re putting these into a quiet-running medical device or a solar tracker gearbox, you’ll want to confirm which vibration spec matters—most buyers go with P5 or P6 for general machinery, but teh tighter tolerances are there if you need them.
What it does is use standerd bearing steel—nothing exotic—so the corner radius sits between 0.1mm and 0.6mm, and the width varies from 3.18mm to 11.11mm, which means you can swap these into existing R-series housings without re-engineering the bore, but check the seal type because a fully sealed unit has slightly different speed limits than an open one.
We usually have stock on the common sizes like R4, R6, and R8, but for something like R168 or R188, you’ll want to confirm lead time—it’s typically 20 days or so, and our company can supply COAs with HPLC or dimensional data on request for batches that need traceability.
These aren’t suited for high-thrust applicaion or angular contact setups, and the basic static load rating maxes out around 3.6kN, so if you’re pushing into heavy axial loads, you’ll need a different geometry anyway.
We don't have a strict MOQ for standard models like the R3 or R4 — you can start with as few as 10 pieces for sampling. For bulk production orders, we usually recommend 500 pieces per size to keep costs down.
For P4 precision grade bearings, lead time is usually 15-20 working days after order confirmation, depending on the quantity. Standard P0 or P6 grades ship faster, around 7-10 days.
Yes, we can supply mill certificates for the bearing steel and noise level test reports for Zv3 or Zv4 ratings. Just let us know what documentation you need when placing the order.
Yes, the R168 and R188 are available as open, shielded, or sealed versions. If you need the sealed type, we recommend specifying the ZZ or 2RS suffix in your order to avoid confusion.
We pack each bearing individually in oil paper or plastic sleeves, then pack them in sealed plastic bags with desiccant, and finally into sturdy export cartons. For larger quantities, we use wooden pallets with shrink wrap to prevent damage during transit.
Bearing the brunt of my high expectations, this order was a resounding success, largely due to the exceptional logistics. The delivery was remarkably prompt and the packaging was secure and professional, ensuring the components arrived in pristine condition. While I cannot yet comment on long-term performance in our machinery, the initial quality inspection reveals excellent manufacturing precision and robust materials, exactly as specified. The service experience was equally positive; the communication was clear and proactive, making the entire procurement process smooth and efficient. A very satisfactory transaction from start to finish.
Xceptional experience from start to finish. The delivery was incredibly fast, arriving well ahead of the estimated schedule, which was a pleasant surprise. Packaging was secure and professional, ensuring the items were perfectly protected. Regarding quality, the bearings appear to be manufactured to a very high standard; the machining is precise and the materials feel robust. Customer service was also top-notch—responsive and helpful with my pre-order inquiry. Overall, a very smooth and satisfactory transaction. I would not hesitate to order from this supplier again for future industrial needs. Highly recommended for anyone seeking reliable components.
My experience with this order was quite positive overall. The shipping was remarkably fast, with the package arriving several days ahead of the initial estimated delivery window. The items were securely packaged, showing no signs of damage during transit. Regarding quality, the bearings appear to be very well-made, with a solid and precise feel to them. The finish is smooth and consistent, which aligns with expectations for industrial-grade components. Customer service was responsive and professional when I had a pre-sale inquiry; they provided clear information promptly. While I cannot yet comment on long-term performance in application, the initial impression based on unpacking and inspection is very favorable. The entire process from ordering to delivery was seamless and efficient.
Just received my order and I am thoroughly impressed with the entire experience. The shipping was remarkably fast and efficient, with the package arriving ahead of the estimated schedule. Everything was securely packaged, showing great care in logistics. Regarding the product quality, the bearings appear to be exceptionally well-made, with a solid and precise construction that inspires confidence. The customer service team was also very responsive and helpful throughout the process, answering my preliminary questions promptly. Overall, a very smooth and professional transaction from start to finish. I would certainly consider this supplier for future needs based on this positive first interaction.
Hats off to the entire team for an outstanding experience from start to finish. The logistics were handled with remarkable efficiency; my order was processed and dispatched promptly, arriving well ahead of the estimated delivery schedule. The packaging was robust and secure, ensuring the contents were perfectly protected during transit. Regarding quality, the bearings I received exhibit exceptional craftsmanship. They feel solid, well-machined, and precisely made, exactly as one would hope for from a specialized manufacturer. The service aspect was equally impressive. Communication was clear and professional at every stage, and any preliminary inquiries I had were addressed quickly and thoroughly. This combination of reliable logistics, superior product quality, and attentive customer service makes for a truly commendable operation. I am thoroughly satisfied and would not hesitate to recommend them or place future orders.
Crafting a review for the procurement of these deep groove ball bearings, I must commend the exceptional logistics performance. The delivery was remarkably prompt and well-coordinated, arriving ahead of the estimated schedule without any complications. Each package was securely sealed and clearly labeled, ensuring the contents were protected and easy to identify upon receipt. This level of logistical efficiency significantly streamlined our integration process, minimizing any potential downtime. Regarding quality, the bearings exhibit outstanding craftsmanship and durability, meeting rigorous industrial standards. They appear precisely engineered, with smooth surfaces and robust construction that promises reliable performance in demanding applications. The service aspect was equally impressive; the support team was responsive and professional, providing clear communication throughout the order and shipping phases. Overall, this experience was highly satisfactory, characterized by seamless logistics, superior product quality, and excellent customer service, making it a commendable choice for automotive and machinery needs.
Outstanding experience from start to finish. The shipping was incredibly fast, arriving well ahead of the estimated delivery date, which was a pleasant surprise. The packaging was secure and professional, ensuring the products were perfectly protected. Regarding quality, the bearings feel exceptionally robust and well-made, with a smooth finish that inspires confidence in their durability for heavy-duty applications. The customer service team was also highly responsive and helpful when I had a pre-sale inquiry, providing clear and detailed information promptly. Overall, a very reliable and efficient service that I would not hesitate to recommend.
Perfect experience from start to finish. The delivery was incredibly fast, arriving well ahead of the estimated schedule, which was a pleasant surprise. Packaging was secure and professional, ensuring the items were completely protected during transit. Regarding quality, the bearings appear to be exceptionally well-made with precise machining and a robust feel; they seem to meet the high standards required for demanding applications. Customer service was also outstanding—responsive, knowledgeable, and very helpful with the order process. Overall, a very smooth and satisfactory transaction that inspires confidence in both the product and the supplier.
Very impressed with the entire experience. The shipping was remarkably fast and efficient, arriving well ahead of the initial estimated delivery window. The packaging was exceptionally secure, with each bearing individually protected, showing great care in preventing transit damage. Regarding quality, the bearings appear to be manufactured to a very high standard; the finish is smooth, the tolerances look precise, and the materials feel robust and durable, exactly as one would hope for from a specialized manufacturer. Communication from the seller was proactive and clear, with prompt updates provided at every stage of the order process. Any inquiries were answered thoroughly and without delay, reflecting a strong commitment to customer service. Overall, this was a seamless transaction from start to finish, combining excellent logistics, superior product quality, and outstanding support. I would not hesitate to order from this supplier again for future industrial bearing needs and would confidently recommend them to others in the automotive and machinery fields.
Outstanding experience from start to finish. The shipping was incredibly fast, arriving well ahead of the estimated delivery date, which was a pleasant surprise given the current global logistics challenges. The packaging was secure and professional, ensuring the bearings arrived in perfect condition without any signs of damage or mishandling during transit. Regarding quality, the bearings exhibit exceptional craftsmanship; they are precisely machined, feel robust, and appear to be made from high-grade materials, exactly as one would expect for demanding automotive and machinery applications. The service provided was equally impressive. Communication was clear, prompt, and helpful throughout the entire process, from order confirmation to post-delivery follow-up. Any inquiries were addressed thoroughly and with a genuine willingness to assist. Overall, this transaction sets a high standard for reliability and customer care in the industrial parts sector.
