Product Specifications
| Parameter |
Details |
| Model NO. |
684 |
| Rows Number |
Single |
| Load Direction |
Radial Bearing |
| Material |
Bearing Steel |
| Product Name |
Deep Groove Ball Bearings |
| Seals Type |
Zz 2RS Open |
| Lubrication |
Grease or Oil |
| Precision Rating |
P0 P6 P5 P4 P2 |
| Vibration |
Z1V1 Z2V2 Z3V3 |
| Service |
OEM ODM |
| Transport Package |
Carton Pallet |
| Specification |
8*22*7 mm |
| HS Code |
8482102000 |
| Production Capacity |
1000000 |
Application Industries
| Industry |
Typical Equipment |
| Motor Manufacturing |
Small Electric Motors, DC Motors, Fan Motors |
| Home Appliances |
Air Conditioners, Refrigerators, Washing Machines |
| Electronics |
Power Tools, Precision Instruments, Office Equipment |
| Automotive Components |
Accessory Motors, Dashboard Systems, Small Pumps |
Prevent Costly Downtime with Reliable Miniature Deep Groove Ball Bearing 684
Many manufacturers face unexpected equipment failures due to low-quality miniature bearings, leading to production halts and expensive repairs. Sourcing small bearings with consistent precision and quick delivery can be challenging, especially when dealing with custom requirements or urgent replacement needs.
Miniature Deep Groove Ball Bearing 684: Engineered for Motors & Air Conditioners
Our Miniature Deep Groove Ball Bearing 684 (8x22x7mm) addresses these challenges with GCr15 steel construction and precision manufacturing. As an integrated bearing manufacturer since 2005, we offer flexible orders with 1pc MOQ for standard items, 3–5 days sample lead time, and 5–15 days bulk delivery—ideal for both small repairs and large-scale production needs in motor and air conditioner manufacturing.
Optimal Performance in Compact Applications
This 684 bearing operates efficiently in high-speed, low-load environments typical of small motors and HVAC systems. With single-row radial design and options for Zz, 2RS, or open seals, it balances rotational stability and contamination resistance. Whether used in air conditioner fan motors or precision electronic components, its 8x22x7mm dimensions provide reliable support in tight spaces where performance cannot be compromised.
Technical Features That Ensure Longevity
The GCr15 bearing steel material offers excellent wear resistance and hardness, critical for maintaining precision in continuous operation. Precision ratings from P0 to P4 allow customization based on application demands—P4 for high-precision motors requiring minimal vibration, and P0 for cost-effective general use. Vibration grades Z1V1 to Z3V3 further reduce noise, a key consideration in household appliances and office equipment. Sealing options (Zz, 2RS, Open) let you choose between protection against dust/moisture and reduced friction, depending on lubrication type (grease or oil).
Why Cutting Corners on Small Bearings Costs More
Choosing uncertified miniature bearings may save upfront costs, but frequent replacements and equipment damage often lead to higher total expenses. Our bearings undergo rigorous QC testing in ISO9001 & ISO14001 certified facilities, ensuring consistent quality. The 12-month global warranty covers manufacturing defects, providing peace of mind that cheap alternatives cannot match. For air conditioner manufacturers, a single bearing failure can result in product recalls or customer complaints—investing in reliable components protects your brand reputation.
Your Trusted Partner for Miniature Bearings
With over 18 years of experience serving global buyers across Europe, America, Southeast Asia, and the Middle East, we prioritize stability and transparency. Our full R&D and QC lab ensures each bearing meets specifications, while OEM/ODM capabilities support custom seal designs, lubrication, and branding. Free samples (buyer covers freight) allow testing before bulk orders, and multiple payment options (T/T, credit card, Alibaba trade) simplify transactions. We stand behind our products with free technical guidance and defect replacement/refund, aiming to be your long-term bearing partner.
Packaging & Shipping
- Standard packaging: Carton with pallet reinforcement for bulk orders, individual boxes for samples
- Sample lead time: 3–5 days for standard specifications
- Bulk delivery: 5–15 days after payment confirmation
- Shipping options: DHL, FedEx, UPS, air freight, or sea freight based on urgency and volume
- Minimum order: 1 piece for standard items, supporting emergency repairs and small-batch trials
Get Your Miniature Deep Groove Ball Bearing 684 Today
Don’t let bearing issues delay your production. Send us your requirements—whether you need a single sample or bulk order—and our team will provide a tailored quote within 24 hours. With our fast delivery and reliable quality, you can keep your assembly lines running and meet customer deadlines with confidence.
Frequently Asked Questions
Q: Is this Miniature Deep Groove Ball Bearing 684 made with genuine GCr15 steel?
A: Yes, our bearings use high-quality GCr15 bearing steel, sourced from verified suppliers and tested in our QC lab to ensure material integrity.
Q: How do I confirm if the 8x22x7mm size fits my motor application?
A: Provide your motor model or shaft dimensions, and our technical team will verify compatibility based on load, speed, and installation requirements.
Q: What warranty coverage do you offer for the 684 bearing?
A: We provide a 12-month global warranty covering manufacturing defects. If a bearing fails due to material or production issues, we offer free replacement or refund.
Q: Can I order just one piece for a repair?
A: Yes, standard items have a 1pc MOQ, making it easy to source single bearings for maintenance or testing.
Q: How quickly can I receive the bearings after ordering?
A: Samples ship in 3–5 days, and bulk orders take 5–15 days. We work with major couriers for fast, trackable delivery worldwide.
Q: Do you offer custom lubrication or seal options for the 684 bearing?
A: Yes, we provide OEM/ODM services, including custom seal types (Zz, 2RS, Open), lubrication (grease or oil), and precision grades to meet specific application needs.
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