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
Spherical Roller Bearing 21307 35x80x21mm SKF Long Life for Heavy Machinery Gearbox
Ensure smooth, long-lasting performance for your heavy machinery gearbox with the Spherical Roller Bearing 21307. This SKF 35x80x21mm bearing delivers exceptional durability and low noise operation, making it ideal for demanding industrial applications.Engineered to handle heavy loads while maintaining precision, reducing downtime and maintenance costsHigh-speed capability with Z2 noise grade ensures reliable rotation even in critical gearbox systemsCustomizable options available to meet specific industrial requirements, backed by Saifan's ISO-certified quality control
21307 Spherical Roller Bearing 35x80x21mm NTN Long Life for Gearbox & Car Industries
Ensure smooth, long-lasting performance for your gearbox or car application with the 21307 spherical roller bearing, engineered to deliver reliable rotation even under heavy loads. This 35x80x21mm NTN bearing combines high-speed capability with low noise operation, making it ideal for precision-dependent industries where downtime is costly. Designed with advanced materials to extend service life, reducing the need for frequent replacements Customizable options available to meet specific industrial requirements, backed by our ISO-certified manufacturing standards Sample orders supported for quality verification, with efficient delivery to keep your production on track
Spherical Roller Bearing 21306 30x72x19mm Long Life for Gearbox Fast Delivery
Ensure smooth gearbox operation with the Spherical Roller Bearing 21306, engineered to deliver long-lasting performance in industrial and automotive applications. This 30x72x19mm bearing minimizes downtime with its high load capacity and precision design, addressing the need for reliable rotation in demanding machinery.Features low noise (Z2/Z3 grade) and high-speed capability, ideal for gearboxes, fans, and car componentsCustomizable options available to match specific equipment requirements, backed by ISO 9001-certified qualityFast delivery (3-5 days for samples) ensures minimal production delays, with 12-month warranty for peace of mind
Spherical Roller Bearing 21305 25x62x17mm for Gearbox Long Service Life SKF
Ensure seamless gearbox performance with the Spherical Roller Bearing 21305—engineered to deliver long service life and reliable rotation even under heavy loads. This 25x62x17mm SKF bearing minimizes downtime with its high-speed capability and low noise operation, making it ideal for industrial machinery, automotive systems, and fans.Precision-crafted to SKF standards, ensuring compatibility with gearbox assemblies demanding consistent torque transmissionCustomizable options available to meet specific application needs, backed by Saifan’s ISO-certified quality controlSample orders welcome with fast 3-5 day delivery, so you can verify fit and performance before full deployment
Spherical Roller Bearing 21305 21306 21307 Long Life for Mining Equipment
Minimize downtime in mining operations with our Long Life Spherical Roller Bearing series (21305, 21306, 21307), engineered to deliver reliable performance under heavy loads and harsh conditions. Crafted with premium chrome steel and precision manufacturing (P0-P4 grade), these bearings reduce maintenance interruptions and extend equipment service life—critical for keeping your machinery running at peak efficiency.25x62x17mm dimension (21305) with self-aligning design to accommodate shaft misalignment, a common challenge in mining equipmentHigh speed (up to Z4 noise grade) and low vibration performance ensure smooth operation even in continuous-duty applicationsCustomizable options available to match specific mining machinery requirements, backed by our ISO 9001-certified quality control
Spherical Roller Bearing 21305 25x62x17mm for Gearbox Long Life High Speed
Ensure smooth gearbox operation with our Spherical Roller Bearing 21305, engineered for high-speed performance and extended service life in industrial machinery. This 25x62x17mm bearing minimizes downtime with its low noise design and robust construction, making it ideal for gearboxes, fans, and automotive applications where reliability under pressure is non-negotiable.Precision-crafted to handle heavy radial loads while maintaining rotational stability, critical for maintaining gear alignment and reducing wearCustomizable options available to meet specific industrial requirements, backed by our ISO 9001-certified quality assuranceSample orders welcome to verify fit and performance, with bulk deliveries in 5-15 working days to keep your production on schedule
High Load Genuine SKF Spherical Roller Bearing 21305 25x62x17mm for Gearbox Industries
Ensure smooth, high-torque gearbox operation with the genuine SKF 21305 spherical roller bearing, engineered to handle heavy loads while minimizing noise and wear. This 25x62x17mm precision component delivers reliable performance in industrial gearboxes, reducing downtime and maintenance costs for consistent production workflows.High load capacity design ensures stability under extreme torque, ideal for gearbox applications demanding durabilityLow noise operation (Z2/Z3 grade compatible) enhances workplace comfort while maintaining operational efficiencyPrecision-machined 25mm bore and 62mm outer diameter fit standard gearbox assemblies, simplifying replacementAuthentic SKF quality backed by ISO certifications, ensuring long service life and compatibility with global industrial standards
High Load SKF Spherical Roller Bearing 21305 25x62x17mm for Gearbox, Long Life
Ensure smooth gearbox operation with the High Load SKF Spherical Roller Bearing 21305, engineered to deliver long life and reliable performance in demanding industrial applications. This 25x62x17mm bearing combines high load capacity with low noise operation, making it ideal for gearboxes, automotive systems, and heavy machinery where consistent rotation is critical.Precision-crafted with SKF's renowned quality, ensuring reduced downtime and extended equipment lifespanOptimized design handles radial and axial loads efficiently, perfect for high-speed industrial environmentsCustomizable options available to meet specific application needs, backed by our commitment to reliable supply and technical support
High Precision SKF Spherical Roller Bearing 21305 25x62x17mm for Gearbox Long Life
Ensure smooth, long-lasting gearbox performance with our High Precision SKF Spherical Roller Bearing 21305. Engineered to deliver exceptional stability even under heavy loads, this 25x62x17mm bearing reduces downtime and extends equipment lifespan—perfect for industrial machinery and automotive applications where reliability can’t be compromised.High-speed capabilities paired with low noise operation keep your operations running efficiently without disruptive soundPrecision-crafted to SKF standards, ensuring seamless integration with gearbox systems and consistent performanceCustomizable options available to meet specific application needs, backed by our expertise in bearing solutionsTrust in a bearing that transforms how your machinery performs—durable, precise, and designed to keep your business moving forward.
High-Speed Long Life SKF Spherical Roller Bearing 21305 21306 21307 for Mining Equipment
Maximize mining equipment uptime with the high-speed long life SKF spherical roller bearing series (21305, 21306, 21307), engineered to deliver reliable performance under heavy loads. These precision-grade bearings (25*62*17mm for 21305) minimize maintenance interruptions, letting you focus on operational efficiency rather than frequent replacements.Low noise operation (Z2-Z3 noise grade) ensures a quieter workspace while maintaining P0-P4 precision standardsCustomizable design adapts to specific mining machinery requirements, backed by Saifan's ISO 9001-certified quality controlSample available for fit testing, with bulk orders shipped in 5-15 days to keep your production on schedule
Spherical Roller Bearing 21305 25x62x17mm for Gearbox Long Service Life
Keep your gearbox running smoothly with the Spherical Roller Bearing 21305, engineered to deliver long service life and reliable performance in demanding industrial applications. This 25x62x17mm bearing minimizes downtime with its high-speed capability and low noise operation, ensuring your machinery maintains peak efficiency even under continuous use.Customizable design adapts to specific gearbox requirements, reducing the hassle of finding the perfect fit for your equipmentPrecision-crafted dimensions (25*62*17mm) ensure seamless integration, eliminating compatibility issues common with generic bearingsBacked by our expertise in industrial bearing solutions, with samples available to verify performance before full deployment
Single Row Angular Contact Ball Bearing 20TAC47CSUHPN7C for Pump Low Noise High Rigidity
Ensure smooth, low-noise pump operation with the reliable 20TAC47CSUHPN7C Single Row Angular Contact Ball Bearing—engineered for high rigidity and precision performance. Crafted from premium bearing steel, this NSK-originated bearing minimizes vibration in demanding pump applications, reducing maintenance interruptions and extending equipment lifespan.Open seal design allows flexible lubrication with grease or oil, adapting to specific operational needsSingle-row configuration delivers optimal load distribution, ideal for high-torque pump systemsBacked by Saifan’s strict quality control and 12-month warranty, ensuring consistent reliability
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