Precision Bearings Precision Engineered. Globally Supplied.
P0-P4 precision grades. Z2-Z4 noise grades. Chrome steel construction. Serving global distributors, machinery manufacturers, and OEM brand owners with factory-direct pricing and 1-piece MOQ.
19+
Years Factory
P0-P4
Precision Grade
ISO 9001
Certified
1 pc MOQ
No Min Order
By Precision Grade
P0 · P4 · P5 · P6All Products
4835 products found
Stainless Steel Lead Ball Screw for CNC Router with OEM ODM Service LM Series
Boost your CNC router's precision and longevity with our Stainless Steel Lead Ball Screw LM Series, engineered to deliver smooth, consistent motion for high-accuracy machining. Crafted from durable alloy material, this ball screw minimizes backlash and wear, ensuring your equipment maintains peak performance even during extended production runs.Precision-engineered LM Series design for seamless integration with CNC router systemsSupports OEM/ODM customization to match unique machine specificationsSturdy carton pallet packaging ensures safe delivery of your critical componentsTrusted by industrial manufacturers for reliable, low-maintenance operation—let this ball screw reduce downtime and elevate your machining results.
High-Precision Thrust Ball Bearing 51316 51117 for Crane Hook ISO Certified
Ensure smooth, reliable lifting operations with our High-Precision Thrust Ball Bearing—engineered to deliver exceptional load capacity and minimal friction for crane hooks. This ISO-certified 51316/51117 bearing combines P0-P4 precision grades and Z1V1-Z3V3 vibration control to reduce wear, extend service life, and keep your equipment running with confidence.Separated design allows easy installation and maintenance, saving valuable downtime during critical operationsConstructed from high-grade bearing steel with grease/oil lubrication options to adapt to heavy-duty industrial environmentsAvailable in stock with 180*300*95mm specifications, ensuring quick delivery for urgent replacement needs
Full Ceramic Si3n4 Deep Groove Ball Bearings 6202 with PTFE Cage for High-Temperature Applications
Keep your high-temperature machinery running smoothly with our Si3n4 Deep Groove Ball Bearings—engineered to deliver reliable rotation even in extreme heat. The 6202 model (15x32x11mm) features a PTFE cage that resists thermal degradation, ensuring consistent performance where standard bearings fail. Single-row radial design with 0° contact angle optimizes load distribution for long-term stabilityFull ceramic construction eliminates corrosion concerns, reducing maintenance downtimePrecision-machined to meet industrial standards, compatible with high-speed applications in automotive, new energy, and industrial equipment
Spherical Roller Bearing 22220W33C3 100x215x47mm for Industrial Machinery with P0-P4 Precision
Ensure smooth, long-lasting operation for your industrial machinery with the Spherical Roller Bearing 22220W33C3, engineered to deliver reliable performance even under heavy radial loads. This 100x215x47mm bearing features P0-P4 precision grades and C3 clearance, minimizing vibration and extending equipment uptime—perfect for manufacturers needing consistent rotation in demanding applications.Double-row roller design with aligning capability compensates for shaft misalignment, reducing wear and maintenance costsHigh-grade bearing steel construction ensures durability in industrial environments, from machine tools to conveyor systemsSupports OEM/ODM customization to match specific equipment requirements, backed by Saifan’s ISO 9001-certified quality control
Miniature Stainless Steel Ball Bearing S695ZZ 5x13x4mm with Crown Retainer and Removable Shields for Precision Machinery
Ensure smooth, precise rotation in your precision machinery with the Miniature Stainless Steel Ball Bearing S695ZZ—engineered to deliver reliable performance in tight spaces. This 5x13x4mm bearing features a crown retainer for reduced friction and removable shields, making maintenance and lubrication quick and hassle-free, even in demanding industrial environments.Stainless steel construction resists corrosion, ideal for equipment exposed to moisture or harsh conditionsSingle-row radial design handles consistent radial loads while maintaining P0-P4 precision grade standardsPerfect fit for compact machinery like 3D printers, medical devices, and small electric motors where space and durability are critical
Pillow Block Bearing UCP207 UCF207 UCFL207 UCPA207 with Deep Groove Raceway P0-P4 Precision
Ensure smooth, precise rotation in your machinery with our Pillow Block Bearing series—UCP207, UCF207, UCFL207, and UCPA207—engineered to deliver consistent performance even in demanding industrial environments. Crafted with deep groove raceways and available in P0-P4 precision grades, these bearings minimize vibration (Z1V1-Z3V3) and noise, reducing downtime and extending equipment lifespan.Single-row design with bearing steel construction for high load capacity and corrosion resistanceFlexible lubrication options (grease or oil) to match your operational needsRich stock availability ensures fast 3–5 day sample lead time, solving supply chain delaysBacked by ISO9001 certification and 12-month warranty for reliable, long-term use
Stainless Steel S6802 Deep Groove Ball Bearing 15x24x5mm High Precision Auto Parts
Ensure smooth, long-lasting performance in your automotive applications with the S6802 stainless steel deep groove ball bearing, engineered to deliver high precision and reliability in tight spaces. This 15x24x5mm bearing minimizes friction and reduces noise, addressing the common challenge of maintaining consistent operation under varying loads.Unseparated single-row design ensures structural stability, ideal for radial load applications in auto partsHigh-grade stainless steel construction resists corrosion, extending service life in demanding environmentsPrecision-engineered dimensions (15mm ID, 24mm OD, 5mm width) guarantee seamless fit with standard automotive components
Outer Spherical Pillow Block Bearing UCFL210 50mm Bore for Excavator with P0-P4 Precision
Ensure your excavator operates with unwavering precision and durability using our UCFL210 Pillow Block Bearing—engineered to deliver consistent performance even under heavy loads. The 50mm bore and deep groove raceway design minimize friction, extending equipment uptime while P0-P4 precision ratings adapt to your exact operational needs, from standard to high-precision applications. Bearing steel construction ensures resistance to wear and corrosion, addressing common durability concerns in demanding work environmentsCompatible with both grease and oil lubrication for flexible maintenance, a detail that matters for long-term reliabilityBacked by our 12-month global warranty and responsive technical support, so you can focus on the job, not equipment issues
Deep Groove Ball Bearing 6007 Zz 2RS Open 12x32x10mm for Auto Parts High Speed
Keep your auto parts running smoothly with this high-performance Deep Groove Ball Bearing 6007, expertly engineered for reliable high-speed rotation in automotive applications. Measuring 12x32x10mm, it combines precision (P0-P4 ratings) with durability, featuring bearing steel construction and flexible seal options (Zz, 2RS, Open) to suit your specific needs.Designed to reduce noise (Z2-Z4 grade) and extend service life, ensuring consistent performance even under demanding conditionsGrease or oil lubrication compatibility allows for easy maintenance, minimizing downtime for your operationsBacked by Saifan’s strict quality control and 12-month warranty, delivering the stability you need for long-term use
Deep Groove Ball Bearing 62/22 20x47x14mm Zz 2RS for Construction Machinery
Ensure smooth, reliable rotation for your construction machinery with this Deep Groove Ball Bearing 62/22—engineered to minimize downtime and maximize equipment performance. Precision-crafted with high-grade bearing steel, the 20x47x14mm dimensions and Zz/2RS seals deliver exceptional radial load capacity and protection against dust, debris, and moisture in rugged worksite conditions.Available in P0-P4 precision grades and Z1V1-Z3V3 vibration levels to meet strict machinery tolerance requirementsGrease or oil lubrication flexibility ensures adaptability to your specific operating environmentUnseparated single-row design guarantees stable operation under heavy loads, reducing unexpected maintenance costsBacked by Saifan Bearings' ISO 9001-certified quality control, this bearing balances durability and precision to keep your construction equipment running efficiently, even in the toughest job site conditions.
Cylindrical Roller Bearing NN3080 High Precision P4 for Industrial Machinery 400x600x148mm
Ensure smooth, high-precision rotation for your industrial machinery with the Cylindrical Roller Bearing NN3080 High Precision P4, designed to deliver reliable performance under heavy loads. Crafted from premium bearing steel and engineered to P4 precision standards, this 400x600x148mm bearing minimizes vibration and extends equipment lifespan, addressing the critical need for stability in demanding manufacturing environments.Separated structure allows easy mounting and maintenance, a key advantage for industrial machinery operators seeking efficient upkeepOpen design accommodates flexible lubrication (oil, grease, or dry) to adapt to your specific operational conditionsBacked by Saifan Bearings' ISO 9001:2015 certification and 12-month warranty, ensuring consistent quality you can trust
Cylindrical Roller Bearing NJ2307M for Machinery Vibrating Screens 35x80x31mm P0-P4 Precision
Keep your vibrating screens running smoothly with the Cylindrical Roller Bearing NJ2307M, engineered to deliver reliable performance under heavy loads and continuous vibration. This 35x80x31mm precision bearing (P0-P4 grades available) minimizes downtime by maintaining stable rotation even in demanding machinery environments, ensuring your operations stay on track.Separated inner and outer rings for easy installation and maintenance, a must-have feature for quick screen assembly and part replacementHigh-grade bearing steel construction ensures long service life, addressing the need for durable components that stand up to industrial wearOpen design allows for flexible lubrication options (oil, grease, or dry), adapting to your specific machinery requirements
Precision Craftsmanship.
Enduring Performance.
Autonomous factory manufacturing with full-process quality control. Every bearing is engineered to exceed international standards for load capacity, noise grade, and service life.
Micro-Level Precision
Advanced CNC grinding to ABMA/DIN standards. Dimensional accuracy measured at micron level for consistent performance in high-speed applications.
Premium Raw Materials
High-grade GCr15 chrome steel with strict incoming inspection. Superior hardness and wear resistance ensures 3× longer service life than standard bearings.
Certified Quality System
ISO 9001:2015 & ISO 14001 certified facility. Professional QC teams conduct 100% dimensional, noise, and vibration testing before shipment.
Full Custom Production
From R&D to branded packaging. Support custom dimensions, seals, lubrication, and private labeling. 1 pc MOQ for standard, bulk orders in 5-15 days.
±0.001mm
Dimensional Tolerance
≤55 dB
Noise Level (Z4)
180°C
Max Operating Temp
50,000h
Design Service Life
Engineered for Every Industry
From renewable energy to heavy metallurgy -- our bearings are trusted across the most demanding industrial environments worldwide.
Renewable Energy
Wind & solar power systems
Mineral Processing
Mining & crushing equipment
Marine & Offshore
Corrosion-resistant solutions
Steel & Metallurgy
High-temp heavy-load bearings
Wind Energy
Turbine main shaft bearings
Pulp & Paper
Wet environment performance
Medical & Lab
Ultra-low noise precision
Heavy Machinery
Maximum load capacity
Request Free Sample
Test before you commit. We provide free bearing samples (buyer pays freight). Ready in 3-5 business days. No minimum order required.
- Free sample (freight collect)
- 3-5 day dispatch
- Full spec datasheet included
- No MOQ for samples
Bulk & FCL Inquiry
For distributors, brand owners, and machinery manufacturers. Share your requirements and receive a competitive factory-direct quotation within 24 hours.
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Full FCL Support
20GP / 40HQ containers
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OEM Branding
Custom packaging & labels
⏱️
5-15 Day Lead
Bulk production timeline
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T/T · L/C · Alibaba
Flexible payment terms