Ningbo Kent Bearing Co., Ltd
| Payment Terms | T/T,Western Union |
| Supply Ability | 100000000 |
| Delivery Time | about 2~3weeks |
| Packaging Details | industrial packing, small box packing |
| Material | GCr15 high carbon chromium bearing steel |
| Tolerance class | ABEC-1, ABEC-3, ABEC-5, ABEC-7 |
| Precision | P0 P6 P5 P4 |
| Noise & vibration | ZV1 ZV2 ZV3 ZV4 |
| Grease | factory normal grease, brand as your require |
| Clearance | C2 CN/C0 C3 C4 |
| Company type | factory |
| Size | 60, 62, 63, 68, 69 series, inch 16 series, special bearing series |
| Brand Name | BUGAO |
| Model Number | 6800 |
| Certification | ISO9001 |
| Place of Origin | NINGBO, ZHEJIANG, CHINA |
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Product Specification
| Payment Terms | T/T,Western Union | Supply Ability | 100000000 |
| Delivery Time | about 2~3weeks | Packaging Details | industrial packing, small box packing |
| Material | GCr15 high carbon chromium bearing steel | Tolerance class | ABEC-1, ABEC-3, ABEC-5, ABEC-7 |
| Precision | P0 P6 P5 P4 | Noise & vibration | ZV1 ZV2 ZV3 ZV4 |
| Grease | factory normal grease, brand as your require | Clearance | C2 CN/C0 C3 C4 |
| Company type | factory | Size | 60, 62, 63, 68, 69 series, inch 16 series, special bearing series |
| Brand Name | BUGAO | Model Number | 6800 |
| Certification | ISO9001 | Place of Origin | NINGBO, ZHEJIANG, CHINA |
| High Light | deep groove ball bearing miniature ，single row tapered roller bearing ，electric motor bearing with warranty | ||
Ningbo Kent bearing Co.,Ltd is located in Yuyao, Ningbo, Zhejiang, China. Our company is a factory specialized in designing and manufacturing a variety of high-precision, top quality ball bearings for electric motors, automobiles, household appliances, power tools, pumps, motorcycles, heavy vehicles, machines etc.
Our bearing advantages:
Strict dimensional tolerance, smooth rotation, high load capacity and high temperature resistance.
Custom specifications & OEM service available, stable supply and competitive price.
With years of experience in bearing manufacturing, we adhere to strict quality control standards (ISO 9001) to ensure each thin wall ball bearing meets the highest industry requirements. Our professional R&D team is dedicated to optimizing product performance, while our efficient supply chain ensures timely delivery and competitive pricing.
We offer a comprehensive range of standard thin wall ball bearings, with inner diameter (ID) from 5mm to 50mm, outer diameter (OD) from 11mm to 65mm, and width (W) from 4mm to 18mm. Customization options are available to meet your unique requirements, including:
Custom dimensions (ID/OD/width) to fit specific equipment
Special materials (stainless steel, ceramic balls) for corrosion resistance or high-temperature applications
Custom lubrication (food-grade grease, high-temperature grease)
Special sealing solutions for harsh environments
Company certificate
Bearing parameter
Bearing specification 68 Series
| Basic Load Rating KN | Maximum Run Out Speed | ||||||||
| Bearing NO. | ID(mm)(inch) | OD(mm)(inch) | Width(mm)(inch) | Radius(mm)(inch) | Dynamic(C) | Static(C0) | Grease r/min | Oil r/min | Weight Kg/pc |
| 685 | 5 .1969 | 11 .4331 | 3 .1181 | 0.1 .006 | 0.715 | 0.282 | 35000 | 45000 | 0.0011 |
| 686 | 6 .2362 | 13 .5118 | 3.5 .1378 | 0.15 .006 | 1.08 | 0.44 | 33000 | 42000 | 0.0019 |
| 687 | 7 .2756 | 14 .5512 | 3.5 .1378 | 0.15 .006 | 1.17 | 0.51 | 31000 | 40000 | 0.0021 |
| 688 | 8 .3150 | 16 .6299 | 4 .1575 | 0.2 .008 | 1.26 | 0.585 | 29000 | 38000 | 0.0031 |
| 689 | 9 .3543 | 17 .6693 | 4 .1575 | 0.2 .008 | 1.72 | 0.82 | 28000 | 36000 | 0.0032 |
| 6800 | 10 .3937 | 19 .7480 | 5 .1969 | 0.3 .012 | 1.83 | 0.925 | 26000 | 34000 | 0.005 |
| 6800W7 | 10 .3937 | 19 .7480 | 7 .2756 | 0.3 .012 | 1.83 | 0.925 | 26000 | 34000 | 0.006 |
| 6801 | 12 .4724 | 21 .8268 | 5 .1969 | 0.3 .012 | 1.92 | 1.04 | 22000 | 30000 | 0.006 |
| 6802 | 15 .5906 | 24 .9449 | 5 .1969 | 0.3 .012 | 2.08 | 1.26 | 20000 | 28000 | 0.007 |
| 6803 | 17 .6693 | 26 1.0236 | 5 .1969 | 0.3 .012 | 2.81 | 1.72 | 19000 | 26000 | 0.008 |
| 6804 | 20 .7874 | 32 1.2598 | 7 .2756 | 0.3 .012 | 4 | 2.47 | 17000 | 22000 | 0.019 |
| 6805 | 25 .9843 | 37 1.4567 | 7 .2756 | 0.3 .012 | 4.3 | 2.95 | 15000 | 19000 | 0.022 |
| 6806 | 30 1.1811 | 42 1.6535 | 7 .2756 | 0.3 .012 | 4.7 | 3.65 | 13000 | 17000 | 0.026 |
| 6807 | 35 1.3780 | 47 1.8504 | 7 .2756 | 0.3 .012 | 4.9 | 4.05 | 11000 | 15000 | 0.029 |
| 6808 | 40 1.5748 | 52 2.0472 | 7 .2756 | 0.3 .012 | 5.1 | 4.4 | 9000 | 13000 | 0.033 |
| 6809 | 45 1.7717 | 58 2.2835 | 7 .2756 | 0.3 .012 | 6.4 | 5.65 | 7000 | 11000 | 0.04 |
| 6810 | 50 1.9685 | 65 2.5591 | 7 .2756 | 0.3 .012 | 6.6 | 6.1 | 5000 | 9000 | 0.052 |
Packing information
Industrial packing(bulk in carton)
Small white box, small color box, carton
Wide Range of Applications
Our ball bearings are widely used across various industries, thanks to their reliable performance and versatile design. Key application areas include:
Precision Instruments:
Medical equipment (MRI machines, surgical tools), optical devices, measuring instruments, and laboratory equipment.
Automotive Industry:
Electric vehicle components, automotive electronics, steering systems, transmission parts, and wheel hubs.
Industrial Machinery:
Robotics, CNC machines, textile machinery, printing equipment, industrial gearboxes, and conveyor systems.
Consumer Electronics:
High-end cameras, precision motors, home appliances, and portable electronic devices.
FAQ
Do you support OEM and customization?
A: OEM, ODM, custom logo, custom packaging and special size processing are acceptable.
Do you have stock?
A: Most standard size bearings are in stock, fast delivery within 3-7 working days.
What about the MOQ?
A: Small order & sample order are welcome, mixed wholesale is supported.
Can it work in high temperature?
A: High temperature resistant grease and high-temperature bearings are available, suitable for harsh working conditions.
Company Details
Business Type:
Manufacturer
Year Established:
2003
Ecer Certification：
Verified Supplier
We are Ningbo Kent Bearing Co., Ltd, one of the leading high-quality bearing manufacturer and supplier, established in 2003. We registered the BUGAO Bearing trademark in 2003 and specialize in deep groove ball bearings for electric motors, automobiles, household appliances, power tools, ... We are Ningbo Kent Bearing Co., Ltd, one of the leading high-quality bearing manufacturer and supplier, established in 2003. We registered the BUGAO Bearing trademark in 2003 and specialize in deep groove ball bearings for electric motors, automobiles, household appliances, power tools, ...
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