Wholesale 6211ZZ Standard Sealed Ball Bearing 55x100x21mm Low Noise Single Row Industrial Bearing GQZ

• 6211ZZ is a single row deep groove ball bearing sized 55×100×21mm with double-sided stamped steel ZZ shields. The metal shield design blocks dust and debris, suitable for dry and clean working environments. It can withstand combined radial load and light bidirectional axial load. Pre-lubricated at factory for instant installation, this bearing runs smoothly at medium-high speed and is widely used in general industrial transmission equipment.

*Send us your inquiry now to get samples and the latest factory quotation for 6211ZZ bearings.

• Double-sided ZZ steel dust shields, effectively prevent dust contamination
• Standard C0 normal clearance, C3 enlarged clearance optional for high-temperature conditions
• Stamped steel cage with low friction, stable rotation and low vibration
• Withstand radial load plus light bidirectional axial load
• Pre-filled grease, no extra lubrication needed during initial assembly
• P0 precision standard, P6 precision grade available on request

• General industrial motors and ventilation fans
• Compressors and air pump equipment
• Conveyor roller transmission machinery
• Agricultural processing machinery
• Light-duty gearboxes and small rotary devices

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

• High-purity GCr15 chrome bearing steel with strict heat treatment for long service life and wear resistance.
• Precision ground raceways and balls ensure quiet, smooth running performance.
• Multiple options including clearance grades and precision to match diverse working conditions.
• Abundant spot stock for ZZ sealed deep groove bearings, support sample orders and fast bulk delivery.
• 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.