Phone:0086-519-81183663 Phone:0086-519-81183663 
Cylindrical roller bearings are rolling-element bearings, they feature cylindrical rollers in linear contact with raceways, providing high load capacity and rigidity. Key characteristics include: high radial load capacity, separable design and low friction. Variants: Single-row (NU, NJ, NUP types), double-row, and full-complement designs for different load and space requirements. Common applications include wind turbines, machine tools, and automotive transmissions.
HECB is a prominent cylindrical roller bearings supplier/factory/stockist in China, recognized for its commitment to quality and innovation.The company specializes in manufacturing a diverse range of cylindrical roller bearings, Needle Roller Bearing, Track Roller Bearing, Tapered Roller Bearing, Deep Groove Ball Bearing and Spherical Plain Bearing designed to meet the needs of various industries, including heavy machinery, automotive, and industrial equipment.
Our range covers single-row (NU, N, NJ, NUP), double-row (NN, NNU), four-row, and full-complement designs, with bore sizes from 15 mm to 200 mm. NU and N types accommodate axial displacement from thermal expansion, while NJ and NUP types provide axial location. All cylindrical roller bearings are manufactured from high-grade bearing steel GCr15/100Cr6, with optional stainless steel, special cages, crowned rollers, and super-finished raceways to reduce edge stress and extend service life.
Typical applications include gearboxes, electric motors, wind turbine gearboxes, machine tool spindles, rolling mills, and hydraulic pumps. Every precision cylindrical roller bearing undergoes 100% final inspection under our IATF 16949 quality system, ensuring consistent accuracy and reliable performance.
Types of Cylindrical Roller Bearings
Single Row Cylindrical Roller Bearings:high radial load, high speed, separable design for gearboxes and motors.
NU/N/NJ/NUP/NF Types: NU and N allow axial displacement, suitable as non-locating bearings. NJ handle unidirectional axial loads. NUP combines flanges and a loose ring for bidirectional axial positioning.
Double Row Cylindrical Roller Bearings (NN/NNU): Feature higher radial load capacity with crossed roller arrangements. NNU and NN accommodate axial displacement.
Full Complement Cylindrical Roller Bearings: Lack cages to maximize roller count for higher load capacity but lower speed tolerance.
Thrust Cylindrical Roller Bearings: high axial load capacity, compact design, ideal for heavy-duty thrust applications.
HECB is a China high speed cylindrical roller bearing factory with over 20 years of experience in design, production, and global export. We combine factory-direct manufacturing with strong R&D capability to deliver cost-effective, high-performance bearing solutions worldwide.
We offer low MOQs — from a single piece for sample testing — with standard lead times of 15–45 days and an on-time delivery rate exceeding 99%. Our precision cylindrical roller bearing products are exported to 68+ countries across automotive, industrial, agricultural, and automation sectors. Our engineering team provides full technical support including selection guidance, installation advice, and failure analysis.
With IATF 16949 and ISO 9001 certifications, 100% traceability, and responsive communication, HECB is not just a precision cylindrical roller bearing supplier — we are a long-term manufacturing partner dedicated to your success.
