High Quality K Series Needle Roller Bearing Manufacturer
As a leading manufacturer of high-quality K Series needle roller bearings, we specialize in precision-engineered, compact bearing solutions that deliver exceptional radial load capacity and durability in space-constrained applications across automotive, industrial, and robotics sectors.
We specialize in precision-engineered compact bearings that deliver exceptional load capacity and durability in minimal installation spaces, featuring hardened steel components and optimized roller designs for smooth operation in automotive transmissions, industrial gearboxes, and small machinery applications, with customizable options including different cages, seals, and coatings to meet specific performance requirements.
Features of K Series Needle Roller Bearing
Our advantages
As your trusted K series needle roller bearing manufacturer, we offer unmatched precision, durability, and cost-efficiency—backed by ISO-certified production, 20+ years of engineering expertise, and direct factory pricing. Our bearings feature premium hardened steel construction, optimized roller profiles, and customizable cage/seal options to maximize performance in compact spaces. With fast lead times, flexible MOQs, and 24/7 technical support, we deliver reliable bearing solutions for automotive, industrial, and robotics applications—ensuring longer service life and reduced downtime for your equipment.
High Radial Load Capacity - Optimized needle roller arrangement enables exceptional radial load handling in compact designs
Enhanced Rigidity - High roller count + precision cage minimizes deflection under heavy loads
Cost-Efficient Construction - Stamped steel outer rings reduce weight and production costs without compromising strength
Material & Hardness - Case-hardened steel rollers and raceways for wear resistance
Lubrication Options - Pre-lubricated with high-speed grease or available for oil lubrication systems
Product name: K Series Needle Roller Bearing
Materials
Chrome steel
Size
5-5.01mm
Seal
Open
Accuracy level
P0
Lubrication
grease
Application
hotels, Garment Shops, Building Material Shops, Manufacturing Plant, Machinery Repair Shops, Food & Beverage Factory
Production Customization Process
K Series Needle Roller Bearing Application
Automotive Transmissions - Compact design supports high radial loads in gear shafts, synchronizers, and differential systems
Motorcycle Engines - Space-saving solution for crankshafts, connecting rods, and transmission assemblies
Industrial Gearboxes - Handles heavy dynamic loads in compact planetary gears and speed reducers
Robotics & Automation - Precision movement in robot arm joints, linear guides, and servo mechanisms
Aerospace Actuators - Lightweight yet durable performance in flight control systems and landing gear mechanisms
Medical Equipment - Smooth operation in surgical robot joints and imaging device rotating components
Electric Vehicles - Supports high-speed rotation in e-axles and motor reduction gears
Textile Machinery - Withstands continuous high-speed operation in spindle drives and loom mechanisms
Construction Equipment - Durable performance in compact hydraulic pumps and valve control systems
External groove grinding
Bearing production
Bearing packaging workshop
Internal groove grinding
Automated production
Bearing inspection
Shenzhen Wanyuan Bearing Co., Ltd. is a professional bearing manufacturer integrating R&D and innovation. The company mainly produces metric bearings with inner diameters of 1-50MM, imperial bearings, spherical roller bearings, double-row cylindrical bearings, cylindrical roller bearings, four-point angular contact bearings, flange bearings, ceramic bearings and customized non-standard bearings.
Our Cooperative Customers
Frequently asked questions
Q1. Are you a buyer or manufacturer?
A: We are a bearing manufacturer with export permission.
Q2. What's your business range?
A: Our business ranges mainly includes miniature ball bearing, flange bearing, thrust roller bearing, needle roller bearing, rod end bearing, and non-standard bearing.
Q3. What do you have a certificate of factory?
A: We have passed the certificate of IS09001. Our products have passed REACH and RoHS etc.
Q4. Can you provide OEM service with us?
A: Yes, we always provide OEM service to our clients.
Q5. How do you deal with non-standard bearing order?
A: First of all, our MOQ is 50000 pcs on the non-standard bearing order. We must provide the relative drawing.
Q6. How do you charge on the samples?
A: Our samples are free for you if we have them stocked. But the sample express cost will be charged at your end.
Q7. Do you accept small orders?
A: Yes, we accept all kinds of smart orders.
Q8. How long is your lead time?
A: It will take 1 week if the order size is less than 10,000 pcs. It will take 4 weeks if the order size is more than 100,000 pcs.
Q9. What's your packaging mode of bearing?
A: We have packaging modes of plastic tube and individual box for your choice.
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