Product Specifications
| Parameter |
Details |
| Model NO. |
676 677 678 679 |
| Product Name |
Deep Groove Ball Bearings |
| Specification |
8*22*7 mm |
| Rows Number |
Single |
| Load Direction |
Radial Bearing |
| Material |
Bearing Steel |
| Seals Type |
Zz, 2RS, Open |
| Lubrication |
Grease or Oil |
| Precision Rating |
P0, P6, P5, P4, P2 |
| Vibration |
Z1V1, Z2V2, Z3V3 |
| HS Code |
8482102000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Reducers, Plastic Color Mixing Machines |
| Textile & Garment |
Ironing Tables |
Eliminate Downtime with Reliable 676-679 Micro Deep Groove Ball Bearings
Equipment failures from low-quality micro bearings cost manufacturers thousands in production delays. When your reducer or plastic mixing machine stalls due to premature bearing wear, every hour of downtime erodes profits. Sourcing precision micro bearings with inconsistent lead times or minimum order quantities only compounds the problem—until now.
Precision Engineered Micro Bearings for Critical Applications
Our Micro Deep Groove Ball Bearing 676 677 678 679 series delivers the reliability your machinery demands. As an integrated manufacturer with ISO9001 certification and a dedicated QC lab, we ensure each bearing meets P0-P4 precision standards and Z2-Z4 noise grades. Whether powering reducers, ironing tables, or plastic color mixing machines, these bearings maintain stable performance under continuous operation.
Optimized Performance for Light-Duty Machinery
Designed for radial load applications, these single-row deep groove ball bearings excel in light to medium-duty machinery. The 8*22*7 mm specification balances compact size with load capacity, making them ideal for equipment where space is limited but reliability is non-negotiable. From textile ironing tables requiring smooth, low-noise rotation to plastic mixing machines needing consistent torque transfer, the 676-679 series adapts to diverse operating conditions.
Technical Features That Maximize Machine Uptime
The precision rating directly impacts operational stability—our P4-grade bearings reduce vibration by up to 30% compared to standard P0 alternatives, extending equipment lifespan. Vibration class Z3V3 ensures quiet operation, critical for textile and plastic processing environments where noise control matters. Choose between ZZ metal seals for high-temperature resistance or 2RS rubber seals for enhanced contamination protection, with grease or oil lubrication options to match your maintenance schedule.
Why Cheap Micro Bearings Cost More in the Long Run
Counterfeit micro bearings often fail within 3-6 months, requiring emergency replacements and unplanned downtime. A single reducer failure can halt production lines for 8+ hours, costing $2,000-$5,000 in lost output. Our bearing steel construction and rigorous quality testing ensure 12-month operational reliability—backed by a global warranty. Investing in genuine precision bearings reduces total cost of ownership by minimizing replacement frequency and maintenance labor.
Why Global Buyers Choose Saifan Bearings
With 18 years of manufacturing experience serving Europe, America, and Southeast Asia, we deliver on our promise of stable supply. Our 1pc MOQ for standard items supports both emergency repairs and small-batch production needs, while 3-5 day sample lead times let you validate performance before full deployment. Every bearing undergoes ISO14001-compliant production processes, and our technical team provides free guidance on installation and maintenance. We’ve completed over 100,000 orders with a 98% on-time delivery rate, earning the trust of industrial equipment manufacturers worldwide.
Packaging & Shipping
- Secure carton packaging with pallet reinforcement for bulk orders
- 3-5 day sample lead time, 5-15 day bulk delivery
- Flexible shipping via DHL, FedEx, UPS, air, or sea freight
- Real-time tracking provided for all shipments
- 1pc minimum order quantity for standard items
Get Your Micro Bearings Shipped Today
Don’t let bearing failures disrupt your production schedule. Send us your required model (676, 677, 678, or 679), seal type, and quantity, and our team will prepare a quote within 24 hours. With free samples available (buyer covers freight), you can test performance before committing to a full order. The sooner you secure reliable bearings, the sooner you protect your bottom line from avoidable downtime.
Frequently Asked Questions
Q: Are these bearings genuine and traceable?
A: Yes, all our bearings are manufactured in-house under ISO9001 standards, with full production records available for traceability. We do not supply counterfeit products.
Q: How do I confirm the right bearing model for my equipment?
A: Provide your equipment model, operating speed, and load requirements, and our technical team will verify the correct 676-679 variant and precision grade for your application.
Q: What is your warranty policy?
A: We offer a 12-month global warranty covering manufacturing defects. Defective products will be replaced or refunded at no additional cost.
Q: What is the minimum order quantity?
A: Standard items have a 1pc MOQ, supporting both emergency repairs and small-scale production needs.
Q: How quickly can you ship?
A: Samples ship within 3-5 days, while bulk orders are delivered in 5-15 days depending on quantity and destination.
Q: How do you ensure bearing quality?
A: Each bearing undergoes vibration testing (Z1V1-Z3V3) and dimensional inspection before shipment. Our QC lab maintains calibration records traceable to international standards.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
