Product Specifications
| Parameter |
Details |
| Model NO. |
624 |
| Specification |
4×13×5mm |
| Feature |
Long Life, High Speed, Low Noise |
| Trademark |
NSK |
| Origin |
Japan |
| HS Code |
8482300000 |
| Production Capacity |
500000 units |
Application Industries
| Industry |
Typical Equipment |
| Power Tools |
Drills, Grinders, Sanders, Impact Drivers |
| Automotive |
Car Fans, Gearbox Components |
| Industrial Machinery |
Small Motors, Precision Conveyors |
Eliminate Power Tool Downtime with 624 Micro Deep Groove Ball Bearing
Power tool manufacturers and repair services know the cost of bearing failure: unexpected downtime, increased maintenance labor, and lost productivity. When low-quality micro ball bearings fail prematurely in high-speed applications like drills or grinders, the ripple effect disrupts production schedules and erodes customer trust. Sourcing genuine, reliable components often means navigating minimum order quantities that don’t align with repair needs or project timelines.
Genuine 624 Micro Bearings: In Stock for Immediate Shipment
The 624 micro deep groove ball bearing addresses these challenges with its 4x13x5mm precision dimensions, low noise operation, and high-speed capability—exactly what power tools demand for consistent performance. As a professional bearing supplier with decades of export experience, we maintain flexible order policies, including 1 piece MOQ for standard bearings, ensuring you get the exact quantity you need without excess inventory. Our efficient delivery system ensures sample orders ship within 3-5 working days, minimizing wait times for critical repairs.
Engineered for High-Speed Power Tool Performance
This 624 micro ball bearing thrives in the demanding conditions of power tools, where rotational speeds can reach thousands of RPM. Its deep groove design ensures uniform load distribution, while the low noise feature enhances user experience in residential and commercial settings. Whether used in cordless drills, angle grinders, or oscillating sanders, the bearing’s long-life construction reduces replacement frequency, lowering total maintenance costs for both manufacturers and end-users.
Technical Advantages That Drive Reliability
The 624 deep groove ball bearing’s performance stems from key engineering features. Its 4mm bore diameter and 13mm outer diameter balance compact size with load-bearing capacity, making it ideal for space-constrained power tool motors. The 5mm width provides stability during high-speed rotation, while the low noise grade (consistent with Z2/Z3 standards) meets strict acoustic requirements for consumer and industrial equipment. As a genuine NSK product, it adheres to international precision standards (equivalent to P0-P4 grade), ensuring compatibility with original equipment specifications.
Why Genuine Bearings Lower Total Cost of Ownership
Choosing genuine 624 micro deep groove ball bearings over counterfeit alternatives delivers long-term savings. Counterfeit bearings often use substandard materials, leading to early failure, motor damage, and potential safety hazards. In contrast, our genuine NSK bearings undergo rigorous quality control—including dimensional detection and performance testing—to ensure stable operation. With a 12-month warranty from the date of receipt, we stand behind product reliability, reducing the risk of unplanned downtime and replacement costs. For power tool manufacturers, this translates to higher product quality and fewer warranty claims.
Your Trusted Partner for Bearing Solutions
Jinan Saifan Bearing Co., Ltd brings 18 years of industry expertise to every order. As an ISO 9001:2015 and ISO 14001 certified supplier, we maintain strict quality control from raw material inspection to finished product testing. Our professional technical team offers free guidance on bearing selection and installation, ensuring optimal performance in your specific application. We serve global clients across Europe, North America, and Southeast Asia, with a track record of delivering 500,000+ bearings annually. For distributors and wholesalers, we provide free samples (freight borne by customer) to verify quality before bulk orders.
Packaging & Shipping
- Standard packaging: Carton pallet with protective inner packaging to prevent damage during transit
- Sample order delivery: 3-5 working days via express courier
- Bulk order delivery: 5-15 working days depending on quantity
- Multiple shipping options: DHL, FedEx, UPS, or sea/air freight as needed
- Flexible MOQ: 1 piece for standard bearings, ideal for emergency repairs or small-scale production
Get Your 624 Bearing Shipped Today
Don’t let bearing delays halt your production. Whether you need a single 624 micro deep groove ball bearing for a repair or bulk quantities for manufacturing, we have you covered. Send your order details, and our team will confirm availability and provide a quote within 24 hours. The sooner you order, the sooner you can restore your power tools to full operation.
Frequently Asked Questions
Q: Are these genuine NSK bearings?
A: Yes, we supply genuine original NSK bearings, sourced directly from authorized channels. Each product can be verified for authenticity through NSK’s official tracking system.
Q: How do I confirm if the 624 bearing fits my power tool?
A: Provide your power tool model or the required bore/outer diameter dimensions, and our technical team will cross-verify compatibility at no cost.
Q: What is the warranty policy?
A: All genuine NSK bearings come with a 12-month warranty from the date of receipt. Defective products under warranty will be replaced free of charge or refunded.
Q: What is the minimum order quantity?
A: The minimum order quantity for standard bearings like the 624 is 1 piece, supporting both small repairs and large-scale production needs.
Q: How long does shipping take to Europe/North America?
A: Sample orders typically arrive in 3-5 working days via express courier. Bulk orders take 5-15 working days, with sea freight options available for cost-sensitive shipments.
Q: How can I verify the bearing’s authenticity upon receipt?
A: Check for NSK’s official packaging, laser-etched part numbers, and防伪标签 (anti-counterfeit labels). We also provide a certificate of authenticity for bulk orders upon request.
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