6310-ZZ Sealed Ball Bearing 50x110x27mm Wholesale GQZ Low Noise Pre-greased Industrial Rotary Equipment Bearing

• 6310-ZZ is a popular medium-heavy load single row deep groove ball bearing with dimensions 50×110×27mm, equipped with double-sided stamped steel ZZ dust shields. The closed metal shield structure effectively blocks dust, sand and dry impurities, perfectly adapting to dry industrial working environments. Pre-filled with long-lasting high-temperature grease at the factory for direct installation without secondary refueling. Its large-size steel balls deliver outstanding radial load bearing capacity and can withstand light bidirectional axial loads simultaneously. Precision polished raceways ensure smooth, quiet and stable medium-speed continuous operation, widely adopted as universal transmission spare parts for various industrial and agricultural mechanical equipment.

*Send us your inquiry now to get samples and the latest factory quotation for 6310-ZZ bearings.

• Double-sided ZZ steel dust shields, reliable dustproof performance for dry working conditions
• Large ball configuration, strong radial load capacity for medium heavy-duty equipment
• Factory pre-lubricated grease, long maintenance-free service cycle
• Stamped steel cage with low friction, stable rotation and low vibration
• Standard C0 clearance, C3 enlarged clearance optional for high-temperature & high-speed scenarios
• P0 precision as standard, P6 precision grade available upon customer request

• Industrial driving motors, cooling fans and ventilation equipment
• Water pumps, oil pumps and small air compressors
• Conveyor rollers and logistics transmission machinery
• Agricultural harvesting and processing machinery
• Light-duty construction small rotary devices
• General small and medium-sized gearboxes and speed reducers

*Contact our engineering team today for professional bearing selection guidance and technical parameters.

• Adopts high-purity GCr15 bearing steel with standardized heat treatment to guarantee high hardness and wear resistance.
• Superfinished inner and outer raceways and steel balls reduce running noise and extend service life.
• Strict full dimensional inspection ensures consistent tolerance and stable product quality.
• Abundant spot stock of 6310-ZZ bearings, support sample orders and fast bulk delivery globally.
• OEM laser marking and customized packaging services for wholesale buyers.

*Place bulk orders with GQZ, enjoy stable stock, short lead time and reliable after-sales service.