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
Deep Groove Ball Bearing 6214 6314 6414 SKF High Precision for Industrial Machinery
Ensure smooth, precise rotation for your industrial machinery with the Deep Groove Ball Bearing series 6214, 6314, and 6414—engineered to deliver consistent performance under radial loads. Crafted from high-grade bearing steel with a 0° contact angle, these SKF bearings minimize downtime by maintaining stability even in continuous operation, addressing the need for reliable components that keep production lines running without unexpected interruptions. Precision dimensions (70*125*24mm for 6214) ensure perfect fit in machinery like conveyors, pumps, and gearboxes Single-row design optimized for radial load handling, ideal for high-speed industrial applications Backed by Saifan’s strict quality control and 12-month warranty, ensuring long service life and peace of mind
Needle Roller Bearing K16X21X10 K16X22X12 K16X22X13 for Industrial Machinery P0-P4 Precision
Ensure smooth, precise rotation in industrial machinery with our Needle Roller Bearing series (K16X21X10, K16X22X12, K16X22X13), engineered to deliver P0-P4 precision for reliable performance under radial loads. Crafted from high-grade bearing steel and designed without inner/outer rings for space-saving integration, these bearings minimize vibration and extend equipment lifespan—ideal for tight mechanical assemblies where durability meets efficiency. Supports grease or oil lubrication to adapt to diverse operating conditions, ensuring consistent performance in high-demand industrial environmentsBacked by our ISO 9001-certified manufacturing process, with 3-7 day delivery to keep your production on scheduleCustomizable via OEM/ODM services to match specific machinery requirements, eliminating the hassle of ill-fitting components
High Load Insert Pillow Block Bearing UCPH320 with P0-P4 Precision for Industrial Machinery
Ensure smooth, high-precision operation even under heavy loads with the UCPH320 Insert Pillow Block Bearing, engineered to elevate industrial machinery performance. Crafted from premium bearing steel with deep groove raceway design, this single-row bearing delivers exceptional durability and stability—perfect for tackling the demands of machine tools, textile equipment, and other heavy-duty applications.P0-P4 precision grades available to meet strict accuracy requirements, reducing vibration (Z1V1-Z3V3) for quieter, more reliable rotationFlexible lubrication options (grease or oil) adapt to diverse working conditions, minimizing maintenance needsRich stock availability ensures quick 3-5 day sample delivery, keeping your production on schedule
Self-Aligning Roller Bearing 24140CA 24144CA 24148CA 24152CA 24156CA W33 for Industrial Machinery
Ensure smooth, reliable operation for your industrial machinery with our high-performance Self-Aligning Roller Bearing series. Engineered to handle heavy radial loads and misalignment, these double row roller bearings (24140CA, 24144CA W33, 24148CA, 24152CA W33, 24156CA) deliver consistent performance even in demanding working conditions, reducing downtime and maintenance costs.Precision grades from P0 to P4 and clearance options (C0/C3/C4) ensure optimal fit for industrial machinery like reducers and printing equipmentConstructed with premium bearing steel for extended service life, backed by our ISO 9001:2015 quality certificationW33 design features a lubrication groove and holes for easy maintenance, keeping your equipment running efficiently
Self-Aligning Roller Bearings 22224E-22234E for Industrial Machinery High Precision P0-P4
Ensure smooth, precise rotation for your industrial machinery with these Self-Aligning Roller Bearings 22224E-22234E, engineered to deliver high precision from P0 to P4 grade. Designed to accommodate misalignment and heavy radial loads, they reduce downtime and enhance equipment reliability, even in demanding operational environments.Double-row roller design with C0/C3/C4 clearance options for optimal performance in varying industrial applicationsConstructed from premium bearing steel for extended service life and consistent operation under heavy loadsSupports OEM/ODM customization to match specific machinery requirements, backed by ISO 9001:2015 quality assurance
NSK 34KWD03D Front Axle Wheel Hub Bearing 55x90x60mm Low Noise Long Life
Experience smoother rides and quieter journeys with the NSK 34KWD03D Front Axle Wheel Hub Bearing, engineered to deliver long-lasting performance in demanding conditions. This 55x90x60mm double-row radial bearing ensures reliable rotation with its precision P0-P4 rating and Z1V1-Z3V3 vibration control, addressing the need for consistent performance in heavy-duty applications.Low noise operation minimizes cabin distractions, while high-grade bearing steel construction extends service life even under heavy loadsUnseparated design simplifies installation, reducing downtime for mechanics and ensuring a secure fit in front axle assembliesGrease or oil lubrication compatibility offers flexibility for different maintenance protocols, backed by Saifan's commitment to quality and 12-month warranty
Self-Aligning Roller Bearing 24018EAE4 24019EAE4 Double Row P0-P4 Precision for Industrial Machinery
Ensure smooth, long-lasting operation for your industrial machinery with our Self-Aligning Roller Bearing—engineered to minimize downtime and enhance equipment reliability. The 24018EAE4 and 24019EAE4 double row models deliver P0-P4 precision, adapting to shaft misalignment while handling heavy radial loads, making them ideal for demanding machinery applications.Double row roller design with C0/C3/C4 clearance options ensures optimal performance under varying load conditionsHigh-grade bearing steel construction guarantees durability, reducing the need for frequent replacementsSupports OEM/ODM customization to match your specific machinery requirements, backed by our ISO 9001:2015 quality certification
Thrust Ball Bearings 51230 51232 51234 51236 P0-P4 Precision for Heavy Machinery
Ensure smooth, reliable rotation for your heavy machinery with our Thrust Ball Bearings—engineered to handle axial loads with precision from P0 to P4 grade. Available in models 51230, 51232, 51234, and 51236, these single-row, separated bearings deliver consistent performance under high-pressure industrial conditions, reducing downtime and maintenance costs.Features Z1V1-Z3V3 vibration grades to minimize operational noise and extend machinery service lifeConstructed with premium bearing steel for exceptional durability, paired with flexible lubrication options (grease or oil) to adapt to your specific working environmentIn-stock availability ensures quick 3-5 day sample delivery, with OEM/ODM customization support for tailored solutions that fit your exact equipment requirements
Deep Groove Ball Bearing 624-629 P0-P4 Precision for Industrial Machinery
Ensure smooth, precise rotation in your industrial machinery with our Deep Groove Ball Bearing 624-629, engineered to deliver consistent performance across P0-P4 precision grades. Whether you’re maintaining production lines or building new equipment, this ball bearing minimizes vibration (Z1V1-Z3V3) and extends service life, addressing the challenge of frequent maintenance interruptions. Available in Open, Zz, and 2RS seal options to suit grease or oil lubrication needs Single-row, non-aligning design optimized for radial loads in machinery like conveyors and pumps Manufactured from high-grade bearing steel for durability in demanding industrial environments Supports OEM/ODM customization to match your exact specifications, with the reliability of ISO-certified production
High Speed Deep Groove Ball Bearing 62211 for Industrial Machinery 55x100x25mm
Keep your industrial machinery running at peak performance with the high speed deep groove ball bearing 62211, engineered to deliver smooth, reliable rotation even under demanding conditions. This 55x100x25mm bearing minimizes downtime with its precision design—crafted from high-grade bearing steel to ensure long service life and consistent operation, addressing the need for stable, low-maintenance components in your workflow.Single-row radial bearing with 0° contact angle optimizes load distribution for high-speed applicationsMeets strict quality standards to reduce noise and vibration, enhancing overall equipment efficiencyPerfect fit for industrial machinery requiring precise dimensions and durable performance
Self-Aligning Roller Bearing 22334CAK W33 P0-P4 Precision for Industrial Machinery
Ensure smooth, reliable rotation for your industrial machinery with the Self-Aligning Roller Bearing 22334CAK W33, engineered to minimize downtime and enhance operational stability. This high-performance bearing handles both radial and axial loads with precision, thanks to its double-row roller design and self-aligning capability that compensates for shaft misalignment—critical for heavy-duty equipment like reducers and excavators. P0-P4 precision grades available to meet strict machinery tolerance requirements, ensuring consistent performance even in high-speed applications Constructed with premium bearing steel for extended service life, reducing the need for frequent replacements 170x360x120mm dimensions with C0/C3/C4 clearance options, tailored to fit your specific industrial setup Backed by our ISO 9001-certified manufacturing process and 12-month warranty, delivering peace of mind for your production line
Deep Groove Ball Bearing 6902 Zz 2RS P0-P4 Precision for Industrial Machinery 25x47x12mm
Ensure smooth, precise rotation for your industrial machinery with the Deep Groove Ball Bearing 6902 Zz 2RS, engineered to deliver reliable performance even in demanding operational environments. This 25x47x12mm bearing maintains consistent P0-P4 precision grades and Z1V1-Z3V3 vibration control, minimizing downtime and extending equipment lifespan.Sealed options (Zz/2RS) prevent contamination, reducing maintenance needs for textile machinery, printing equipment, and other industrial applicationsConstructed with high-grade bearing steel and optimized grease/oil lubrication to handle radial loads with stable torque outputSupports OEM/ODM customization to match specific machinery requirements, ensuring perfect compatibility and efficient assembly
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.
📦
Full FCL Support
20GP / 40HQ containers
🏷️
OEM Branding
Custom packaging & labels
⏱️
5-15 Day Lead
Bulk production timeline
💳
T/T · L/C · Alibaba
Flexible payment terms