High Precision 634 634-2z 634-2RS Deep Groove Ball Bearing
Ensure smooth, precise rotation in your equipment with our High Precision 634 Deep Groove Ball Bearing, designed to minimize friction and extend service life in critical applications. Available in 634, 634-2Z, and 634-2RS variants, this single-row radial bearing delivers reliable performance with a 0° contact angle, making it ideal for high-speed operations where stability is non-negotiable.
- Constructed from premium bearing steel for exceptional durability and load-bearing capacity
- Compact 4*16*5mm specification fits seamlessly into tight installations without compromising strength
- Trusted NSK quality sourced from Germany, Sweden, and Japan ensures consistent performance you can rely on
Especificações do Produto
Parâmetro
Detalhes
Número do Modelo
Tipo de Rolamento
Rolamento de Esfera de Canal Profundo
Diâmetro do Furo (d)
Diâmetro Externo (D)
Largura (B)
Material
Aço para Rolamentos
Número de Linhas
Único
Direção de Carga
Rolamento Radial
Ângulo de Contato
0°
Marca Registrada
Origem
Alemanha Suécia Japão
Código HS
8482102000
Adequação da Aplicação
Indústria
Aplicações Típicas
Equipamentos de Automação
Automotivo
Finding the right deep groove ball bearing for your equipment can be frustrating. Mismatched dimensions lead to installation delays, while low-quality bearings often fail prematurely with excessive noise or vibration. Sourcing from multiple suppliers to compare brands and lead times only adds to the complexity—especially when dealing with critical applications like automation systems or medical devices. This High Precision 634 series deep groove ball bearing addresses these challenges with its precise 4x16x5mm dimensions and bearing steel construction. As a professional supplier with access to full brand ranges—including NSK and other international manufacturers—we ensure you get the exact specifications you need without switching suppliers. Whether for small electric motors in automation equipment or auxiliary components in automotive systems, this bearing delivers reliable radial load support in tight spaces. Designed with a contact angle of 0°, this single-row deep groove ball bearing excels in applications requiring pure radial load handling. The 634-2Z variant features metal shields to protect against dust and debris, while the 634-2RS model includes rubber seals for enhanced contamination resistance—both reducing the need for frequent maintenance. Ideal for household appliances, office equipment, and precision machinery where downtime must be minimized. The bearing steel material provides excellent hardness and wear resistance, ensuring long service life even under continuous operation. With a precision class tailored for small-diameter applications, the 4mm bore and 16mm outer diameter maintain tight tolerances for smooth rotation and reduced energy loss. The 5mm width balances load capacity with space efficiency, making it suitable for compact assemblies where every millimeter counts. Unlike inferior materials, bearing steel’s uniform structure minimizes vibration and noise—a critical factor in sensitive equipment. Choosing the correct deep groove ball bearing directly affects your equipment’s uptime and maintenance costs. A bearing with inaccurate dimensions or substandard material may save upfront but can cause shaft wear, motor inefficiency, or sudden failure—leading to costly repairs and production delays. This 634 series bearing, manufactured to international standards, ensures proper fit and load distribution, reducing the risk of premature failure. By selecting a precision component that matches your application’s radial load requirements, you lower long-term operational expenses and extend equipment life. Our ISO 9001-certified processes ensure consistent quality from raw material inspection to final dimensional testing. Each bearing undergoes hardness and surface finish checks to meet industry standards, and we provide a质保期 against manufacturing defects. With access to multiple production origins including Germany, Sweden, and Japan, we can source to your specific quality requirements. Whether you need a single sample or bulk order, our inventory system supports quick turnaround and reliable delivery. Embalagem industrial padrão para prevenir danos durante o transporte
Disponível em estoque para despacho imediato
Opções de envio flexíveis: courier expresso, frete aéreo ou transporte marítimo
Whether you need the 634, 634-2Z, 634-2RS, or another deep groove ball bearing variant, provide your required model, quantity, and destination for a tailored quote. Our team can also assist with cross-referencing part numbers or confirming compatibility with your equipment. The sooner you contact us, the sooner we can arrange shipment—keeping your project on schedule. Perguntas Frequentes
Q: Você fornece rolamentos de outras marcas além de ?
A: Yes, we support procurement of all major international brands (SKF, NTN, Koyo, NACHI, IKO, FAG, Timken) and domestic quality brands, as well as custom specifications. Q: How can I confirm if this 634 bearing fits my equipment? A: Provide your equipment model or existing bearing dimensions (bore x outer diameter x width), and our technical team will verify compatibility with the 634 series specifications. Q: Qual é a sua política de garantia para rolamentos?
A: We offer a质保期 against manufacturing defects. Specific terms are outlined in each order confirmation, with coverage for material and workmanship issues. Q: Qual é a quantidade mínima de pedido para este rolamento?
A: We have low minimum order quantities to accommodate both small prototype orders and large-scale production needs. Contact us for current stock availability. Q: How quickly can you ship the 634 deep groove ball bearings? A: Most standard models are available from stock and can be shipped within 1-2 business days. Shipping time depends on your location and chosen delivery method. P: Vocês oferecem soluções de rolamentos personalizadas (OEM/ODM)?
A: Yes, we support custom bearing manufacturing based on client-provided drawings, specifications, or samples for unique application requirements. Ready to order or need a quote?
634 634-2Z 634-2RS
4mm
16mm
5mm
NSK
Small electric motors, precision conveyors, linear guide systems
Power window mechanisms, seat adjusters, auxiliary pumps
Household Appliances
Vacuum cleaners, washing machine components, small fans
Need High Precision 634 Deep Groove Ball Bearings? Here’s What You Should Check
Engineered for Consistent Performance in Compact Applications
Optimal Performance in Low-Maintenance Environments
Key Engineering Features That Impact Reliability
Why Precision Bearings Reduce Total Cost of Ownership
Quality You Can Trust in Every Shipment
Packaging & Shipping
Get Your 634 Bearing Quote Today
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
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- Product Name
- High Precision 634 634-2z 634-2RS Deep Groove Ball Bearing
- Category
- Deep Groove Ball Bearing
- Brand
- SKF
- Certification
- ISO 9001 · TS 16949
- Lead Time
- 7 Working Days
Our engineers will respond within 12 hours with a tailored solution.
Request QuoteGeneral Specifications
| Bearing Type | Deep Groove Ball Bearing |
| Brand | SKF |
| Quality Standard | ISO 9001 / TS 16949 |
| Precision Grade | P0 / P5 / P6 (custom) |
| Material | Chrome Steel / Stainless |
| Cage Material | Steel / Brass / Polyamide |
| Lubrication | Grease / Oil (specify) |
| Operating Temp. | -40°C to +200°C |
| Min. Order Qty | 1 pc (samples available) |
| Prototype Lead Time | 7 Working Days |
Performance Parameters
| Load Capacity | Contact for C0/Cr values |
| Speed Rating | Contact for ndm limit |
| Vibration Level | Z1 / Z2 / Z3 (custom) |
| Noise Level | V1 / V2 / V3 (custom) |
| Fatigue Life | L10h per ISO 281 |
| Sealing Options | Open / Z / 2Z / RS / 2RS |
Our engineering team can modify bearing dimensions, materials, seals, and clearances to meet your specific operating requirements. Submit your drawing or spec sheet for a tailored proposal.
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Heavy-duty bearings for crushers, conveyors, and rotary equipment in extreme dust and shock-load environments.
Steel & Metallurgy
High-temperature bearings for rolling mills, continuous casting, and furnace applications.
Automotive / EV
Wheel hub bearings, transmission bearings, and e-motor bearings for passenger and commercial vehicles.
Rail Transit
Axle box bearings, traction motor bearings, and gearbox bearings meeting EN/UIC railway standards.
Precision Machinery
High-precision spindle bearings, angular contact bearings, and super-precision bearings for CNC and robotics.
Application Design
EngineeringOur engineers analyze your operating conditions -- load, speed, temperature, environment -- and select or design the optimal bearing solution to maximize service life and reduce total cost of ownership.
Custom Modification
7-Day TurnaroundNeed non-standard dimensions, special materials, or modified clearances? We can modify standard SKF bearings or manufacture fully custom solutions with a 7-day prototype turnaround.
Failure Analysis
DiagnosticsWhen bearings fail prematurely, our team conducts root-cause analysis using advanced diagnostic tools to identify the failure mode and recommend corrective action.
Predictive Maintenance
Up to 40% Less DowntimeWe deploy vibration monitoring, thermal imaging, and oil analysis programs that detect bearing deterioration early -- reducing unplanned downtime by up to 40%.
On-site Installation
Global CoverageProper installation is critical to bearing performance. Our certified technicians provide on-site installation support, alignment verification, and operator training worldwide.
Lifecycle Support
Enterprise SLAFrom initial selection through end-of-life, our dedicated account managers provide scheduled maintenance plans, re-lubrication programs, and replacement forecasting for enterprise clients.
The engineering partner advantage
Get a custom quote for
High Precision 634 634-2z 634-2RS Deep Groove Ball Bearing
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