High-precision NACHI Timken QJ252M/QJ256M angular contact ball bearing designed for combined load applications. Features optimized raceway geometry, excellent speed performance, and reliable durability for industrial machinery and power transmission systems.
On all your orders for home or collection point delivery
Returns
Return
We will accept exchanges and returns of unworn and unwashed garments within 30 days of the date of purchase (14 days during the sales period).
Returns in store FREE
Your return will usually be processed within a week to a week and a half. We’ll send you a Return Notification email to notify you once the return has been completed.
Please allow 1-3 business days for refunds to be received to the original form of payment once the return has been processed.
In order to supply even more stable quality to our vast customers, we established a factory in Liao Cheng city,Shandong province.
Beside standard specifications, we also provide the customized service.Welcome all of customers visit our factory . We look forward to establishing a good long-termbusiness relationship with you.
Bearings Produced Daily
k
Global Distribution Centers
0+
OEM Partnerships
0
On-Time Delivery Rate
0%
KOYOSKF
KOYOSKF Bearing Manufacturer Show
In addition to our own production of bearings, bearing manufacturers, we have established as many as 600 partnerships; if there is a demand in the world, we will purchase to meet the needs of different customers.
FAQ
Koyoskf
FAQ
Frequently Asked Questions
Do you offer customized bearings/truck parts?
Yes—we customize size, material, precision, or branding per your needs. Samples are provided for confirmation before mass production.
What quality certifications do your products have?
Our products hold ISO 9001, TS 16949, and DIN/SAE certifications. We conduct strict inspections from raw materials to pre-shipment.
What’s your lead time, and can you expedite orders?
Standard lead time: 15–30 working days. Urgent orders can be expedited to 7–15 days (subject to feasibility).
What after-sales support do you provide?
All products come with a 12–24 month warranty. We offer free replacement/repair for quality issues, with 24-hour response.
What payment terms are accepted for international orders?
We support T/T (30% deposit + 70% balance), L/C, and PayPal (small orders). Transactions are secured via trusted channels.
What’s your minimum order quantity (MOQ)?
MOQ varies by product type—starting from 100 units for standard items. Flexible MOQ for long-term partners or customized orders.
WHAT OUR CLIENTS SAY
James Cooper
Purchasing Manager
KOYO bearings are durable and precise; their stable performance cuts our downtime greatly, and your reliable supply wins our trust.
Lisa Morgan
Logistics Director
KOYO bearings boast excellent quality; their long service life reduces our replacement costs, and your professional service makes cooperation smooth.
Mike Wilson
Maintenance Supervisor
KOYO bearings run steadily and well; their high precision fits our equipment perfectly, and your on-time delivery never lets us down.
Emma Clark
Operation Manager
KOYO bearings are top-grade and reliable; their anti-wear feature boosts efficiency, and your thoughtful after-sales support gives us reassurance.
John Smith
Procurement Director
KOYO bearings exceed our expectations; their sturdy quality adapts to heavy work, and your consistent supply secures our production.
Anna White
Engineering Chief
KOYO bearings are premium and durable; their stable operation meets strict demands, and your sincere service makes us a steady partner.
Bdl 6003 Deep Groove Ball Bearing, precision-engineered for reliable performance. Ideal for various industrial and mechanical applications requiring smooth operation and durability.
Premium front wheel hub bearing from China suppliers, model Dac25520043 (Dac2552bw-1). High-quality construction ensures durability and smooth performance. Designed for reliable fit and long service life in automotive applications.
Premium automotive hub bearing compatible with DAC20420030/29 and J22 standards. Ensures smooth wheel operation and durable performance for reliable vehicle handling.
High-quality wheel hub bearing compatible with OEM 43200-50Y00, designed for durable performance. Features double rubber seals (2RS) to protect against dust and moisture, ensuring smooth operation and extended service life.
This bearing features long life and high speed performance, suitable for various applications. Made of high-quality bearing steel with options for brass, steel, or nylon cages. It comes with high-speed grease and supports multiple precision levels (P6-P2) and clearances (C2-C4).
High-precision Koyo deep groove ball bearing from Japan, model 6800 ZZ 2RS. Features dual metal shields (ZZ) and double rubber seals (2RS) for excellent dust and moisture resistance. Compact size with 10mm bore, 19mm OD, and 5mm thickness, ideal for small motors and precision machinery requiring reliable, smooth operation.
Original NACHI 6003DDU bearing from Japan, designed for electric generators. Features double seals for reliable protection and smooth performance in demanding applications.
This bearing features separated structure with single row design. It offers multiple clearance options (C2-C4), vibration grades (Zv2-Zv4), and uses high-speed grease. Packaged in single box, it’s suitable for various industrial applications requiring reliable performance and precision.
Premium front wheel hub bearing compatible with Dac205000206 320104 models. Ensures smooth rotation and reliable performance for automotive wheels. High-quality steel construction offers durability and resistance to wear. Ideal for safe and efficient vehicle operation.
This bearing BA200-7B is made of high-quality Bearing Steel with Radial load direction. It offers multiple precision grades (P6/P5/P4/P2) and features long life and high speed performance. Originated from China, it ensures reliable quality for various applications.
This high-performance bearing features long life and high speed capabilities, suitable for various industrial applications. Made of premium bearing steel with multiple precision grades (P6-P2) and vibration levels (Zv2-Zv4) available. Equipped with high-speed grease and options for brass, steel, or nylon cages.
This DZAZ bearing (Model H7002C 2RZ P4) is a high-quality radial bearing made of bearing steel, originating from China. It features multiple precision grades (P6-P2), cage options (Brass/Steel/Nylon), and uses high-speed grease. With separated structure and single row design, it’s suitable for various applications requiring reliable performance. Packaged in single boxes, it ensures protection during transport.