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What is the Single Row Deep Groove Ball Bearing?

A single row deep groove ball bearing is the world's most common bearing, featuring deep, uninterrupted raceway grooves in its inner and outer rings that allow it to handle both radial (perpendicular to the shaft) and axial (parallel to the shaft) loads in both directions, offering high speed, low friction, robustness, and versatility for numerous applications like electric motors, pumps, and automotive parts, available in open, shielded, or sealed versions. 

Features of Single Row Deep Groove Ball Bearing

Single Row Deep Groove Ball Bearings stand out in industrial and civilian applications due to their simple yet efficient structural design and outstanding performance advantages, with core features as follows:

Strong Multi-Load Bearing Capacity:The deep groove raceway design maximizes the contact area between steel balls and raceways, enabling the bearing to independently bear radial loads, combined radial-axial loads, and even pure axial loads at high speeds. The maximum radial dynamic load rating (Cr) reaches up to 1120 kN, making it suitable for medium-heavy load scenarios. High Precision & Operational Stability:Available in precision grades ranging from P0 to P4, P4-class ultra-precision models achieve micron-level rotational accuracy. Precision-ground raceways (surface roughness Ra≤0.02μm) and high-quality steel balls ensure minimal vibration and noise during operation, maintaining stable performance for precision equipment.

Excellent High-Speed Adaptability:Optimized cage designs (pressed steel strip, brass, or metal machined solid materials) reduce centrifugal force impact and frictional interference between steel balls. With grease lubrication, the maximum limiting speed reaches up to 3600 r/min; with oil lubrication, it can reach 4500 r/min, outperforming many conventional bearing types of the same size.

Durable & Reliable Performance:Bearing rings and rolling elements are primarily made of high-quality chromium steel (GCr15/GCr15SiMn), with stainless steel available for corrosive environments. Carburizing bearing steel (G20Cr2Ni4A) options enhance wear resistance and fatigue life, extending service life by 30% compared to conventional bearings. It maintains reliable operation in harsh conditions such as high temperatures and dust. Simple Structure & Easy Maintenance:The integral inner/outer ring structure and standardized dimensions simplify installation and replacement. Open-type designs facilitate lubricant replenishment, while shielded/sealed variants (ZZ/2RS) effectively isolate dust and moisture, extending maintenance intervals and reducing operational costs.

Strong Customization Capabilities:Supports multi-dimensional non-standard customization: non-standard size adjustment (inner diameter 10–1400 mm, outer diameter 30–1700 mm, width 8–132 mm), material modification (corrosion-resistant, high-temperature resistant), seal type optimization, and special lubrication solutions for extreme working conditions. Professional teams tailor solutions to specific needs, improving equipment adaptability.

Reliable Quality Assurance:Backed by over 30 years of industry experience and more than 50 invention patents, the bearing complies with ISO9001 quality management system and ISO14001 environmental management system certifications. Strict quality control processes ensure products meet high industry standards, delivering consistent and reliable performance.

Applications of Single Row Deep Groove Ball Bearing

Leveraging its versatility, high performance, and cost-effectiveness, Single Row Deep Groove Ball Bearings are widely used in 10 key fields:

Electric Motors:Applied to small household appliance motors, industrial motors, and large generators, it reduces friction and wear, ensuring smooth operation and extending motor service life. It is a core component in motor spindle systems.

Automotive Industry:Widely used in automotive wheel hubs, steering systems, gearboxes, and alternators, it withstands vibration and combined loads, adapting to the harsh working conditions of automotive drivetrains.

Pumps & Compressors:Integrated into centrifugal pumps, screw compressors, and other fluid-moving machinery, it maintains reliable and smooth operation, critical for efficient fluid transfer in industrial processes.

Machine Tools:Used in spindles and feed mechanisms of CNC machines, milling machines, and lathes, it provides stable support for rotating shafts, ensuring machining accuracy in precision cutting and forming operations.

Conveyors & Material Handling Equipment:Equipped in conveyor rollers and wheels, it enables smooth rotation, supporting continuous material transportation in logistics, mining, and manufacturing industries.

Agricultural Machinery:Applied to tractors, harvesters, and irrigation systems, it withstands dust, vibration, and harsh outdoor environments, ensuring reliable performance for agricultural operations.

Bicycles:Commonly used in bicycle wheel hubs, pedals, and bottom brackets, it reduces friction, improving riding efficiency and comfort.

Household Appliances:Integrated into washing machines, dryers, fans, and vacuum cleaners, it delivers quiet, long-lasting operation, meeting the durability requirements of household products.

Metallurgical & Industrial Machinery:A supporting component in rolling mills, material processing equipment, and industrial fans, it adapts to high-temperature, dusty working environments, ensuring continuous operation of heavy machinery.

Precision Instruments:Used in small precision instruments and electronic equipment, its high precision and low noise characteristics meet the strict performance requirements of sensitive devices.

Price of Single Row Deep Groove Ball Bearing

The price of Single Row Deep Groove Ball Bearings is determined by multiple interrelated factors, with core influences as follows:

Size & Load Rating:Size is a primary pricing driver. Larger bearings (e.g., inner diameter > 1000 mm, outer diameter > 1500 mm) consume more high-quality raw materials and require more complex precision machining, leading to significantly higher costs. Bearings with ultra-high load ratings (Cr > 800 kN) also command a premium due to reinforced structural design.

Precision Grade:Precision grades follow the hierarchy P0 < P6 < P5 < P4. High-precision P4/P5 grade bearings require stricter grinding, multi-round testing, and sorting, with higher production rejection rates. Their prices are 40%-70% higher than standard P0 grade bearings.

Material Selection Standard:GCr15 chromium steel is cost-effective; upgrading to carburizing bearing steel (G20Cr2Ni4A) or stainless steel increases raw material costs by 50%-80%. Cage material also affects pricing—brass or metal machined solid cages are more expensive than pressed steel strip cages.

Structural & Seal Configuration:Open-type bearings are the most economical; adding non-contact shields (ZZ) increases costs by 10%-20%, while contact seals (2RS) add 15%-30%. Customized structures (e.g., special groove designs) further raise prices due to additional processing steps.

Lubrication Solutions Standard:lithium-based grease is included in base pricing; high-temperature, corrosion-resistant, or extreme-pressure lubricants increase costs by 20%-40% due to their superior performance and higher raw material costs.

Order Quantity & Delivery Time:Bulk orders (≥100 pieces) qualify for a 15%-25% quantity discount. Small-batch orders (≤30 pieces) or urgent orders (delivery within 7 days) incur additional production and logistics costs, increasing the unit price by 20%-35%.

How to choose the Single Row Deep Groove Ball Bearing

To select the optimal Single Row Deep Groove Ball Bearing and ensure compatibility with equipment, purchasers should comprehensively evaluate the following key factors:

Working Condition Matching:Clarify core parameters: radial/axial load magnitude and ratio, operating speed, working temperature (-40°C to +150°C for standard models), and environmental conditions (clean, dusty, corrosive). For high-speed scenarios, prioritize bearings with brass cages and oil lubrication; for corrosive environments, select stainless steel materials and contact seals. Size & Precision Confirmation:Determine boundary dimensions (inner diameter d, outer diameter D, width B) strictly according to equipment design drawings to ensure installation compatibility. Select the precision grade based on application: P0/P6 for general machinery, P5/P4 for precision equipment such as machine tool spindles and precision instruments.

Material & Structure Selection:For standard working conditions, GCr15 steel + pressed steel cages are cost-effective. For heavy-load, high-speed scenarios, choose carburizing bearing steel + brass cages; for corrosive environments, select stainless steel + 2RS contact seals.

Load & Speed Capacity Verification:Ensure the bearing’s radial dynamic load rating (Cr) and static load rating (Cor) exceed actual working loads by 1.2–1.5 times to reserve a safety margin for shock loads. Verify that the limiting speed (grease/oil lubrication) matches the equipment’s maximum operating speed, avoiding overspeed-induced failures.

Supplier Qualification Assessment:Prioritize professional suppliers with mature production capabilities, such as NewBee Transmission. Verify ISO9001/ISO14001 certifications, advanced production equipment (CNC precision grinders), and comprehensive product testing reports. Evaluate after-sales service capabilities, including warranty periods and technical support.

Cost-Effectiveness Balance:Avoid over-specifying: select standard materials and precision grades for non-critical equipment to control costs. For core equipment (e.g., key production line motors), prioritize product reliability and performance, and reasonably select customized solutions to ensure long-term stable operation.

Manufacturer of Single Row Deep Groove Ball Bearing

NewBee Transmission is a professional manufacturer and supplier of high-quality Single Row Deep Groove Ball Bearings, focusing on providing reliable bearing solutions for global customers in automotive, industrial machinery, household appliances, and precision equipment fields. With advanced manufacturing technology, strict quality control, and customer-centric services, it has become a trusted partner for large industrial enterprises worldwide.

Comprehensive Product Range:The standard product line covers inner diameter 10–1400 mm, outer diameter 30–1700 mm, and width 8–132 mm, with precision grades including P0, P6, P5, and P4. It offers open-type, shielded (ZZ), and sealed (2RS) designs, with material options of GCr15/GCr15SiMn, G20Cr2Ni4A, and stainless steel. Customized solutions are available for non-standard sizes and special working conditions.

Advanced Production & Testing Capabilities:Equipped with internationally advanced CNC precision grinders, integral automatic heat treatment lines, high-precision steel ball sorting equipment, and a professional bearing testing center, the company implements strict 100% inspection throughout the production process. From raw material spectral analysis and metallographic testing to finished product load capacity, precision, and wear resistance testing, every batch of products undergoes comprehensive quality verification to ensure consistency and reliability.

Professional Customization Services:The R&D team consists of senior engineers with over 15 years of experience in bearing design, providing one-stop customized solutions: non-standard size design, material modification, seal type optimization, and special lubrication solutions. The sample development cycle is 4–6 weeks, with urgent production support for high-demand scenarios.

Reliable Quality Assurance & After-Sales Service:All products strictly comply with ISO9001/ISO14001 standards and international bearing specifications, with a standard warranty period of 12 months. The 24/7 technical support team offers on-site installation guidance, maintenance training, and rapid response to quality inquiries. For product defect-related issues, free replacement and maintenance services are provided to ensure uninterrupted customer production.

Efficient Logistics & Global Supply Chain:Standard in-stock models have a delivery cycle of 5–12 days, with an intelligent warehousing center ensuring quick order fulfillment. Cooperating with global logistics partners (DHL, FedEx) and overseas warehouses, the company achieves fast and efficient delivery to customers worldwide, supporting just-in-time production plans.

Precautions for Single Row Deep Groove Ball Bearing

Proper installation, lubrication, and maintenance are critical to maximizing the service life and performance of Single Row Deep Groove Ball Bearings. Key precautions are as follows:

Standardized Installation Operation:Before installation, thoroughly clean the bearing, shaft, and housing bore to remove burrs, oil stains, and impurities. Use specialized pressing tools for assembly, applying force evenly on the ring with interference fit (shaft h7/housing bore H8). Strictly prohibit hammering or impact knocking, which causes raceway deformation and precision loss. Ensure precise alignment between the bearing, shaft, and housing to avoid uneven load distribution.

Scientific Lubrication Management Select:lubricants based on temperature, speed, and load: use heavy-duty lithium-based grease for standard conditions; high-temperature special grease for environments ≤150°C; corrosion-resistant grease for humid/corrosive settings. Open-type bearings require grease replacement every 1000–2000 working hours; sealed bearings should be inspected regularly for leakage, with timely seal and grease replacement. Avoid over-lubrication (causes overheating) or insufficient lubrication (leads to dry friction).

Real-Time Operation Monitoring:During equipment operation, continuously monitor the bearing’s temperature, vibration, and noise. The normal operating temperature ranges from 30°C to 80°C, with a temperature rise not exceeding 18°C. Abnormal temperature spikes, vibration, or noise may indicate misalignment, overload, or lubrication failure—shut down equipment immediately for inspection to prevent catastrophic damage.

Proper Storage & Handling:Store bearings in a clean, dry, and ventilated environment with relative humidity ≤60%, avoiding contact with corrosive substances, direct sunlight, and strong magnetic fields. Store horizontally in original packaging to prevent ring deformation, and prohibit heavy stacking. During transportation, use shockproof packaging to avoid collision, dropping, or severe vibration, preserving precision and structural integrity.

Regular Inspection & Maintenance:Conduct periodic disassembly inspections according to equipment operating cycles. Check for raceway/steel ball wear, cage integrity, seal condition, and lubricant quality during inspection. If abnormal wear, pitting, or deformation is found, replace the bearing promptly to avoid secondary damage to host equipment. After inspection, clean components thoroughly with non-corrosive cleaning agents, reapply qualified lubricant, and reinstall correctly.

Technical Specifications of Single Row Deep Groove Ball Bearing

For technical specifications, pricing, or custom engineering solutions:

Email: paul@newbeetrans.com

Website: www.newbeetrans.com