Audited Supplier
Q+A
1. What's the thickness of the sprocket?
6.8-7mm
2. What's your surface treatment for the sprocket?
We have copper, candle blue, red, white, blue white, black, silver white toast painting, high frequency.
3. What's the hardness after the sprocket make heat treatment?
1023 material hardness is 30-40HRC, 1045 material hardness is 40-45HRC
4. How long is your sprocket work?
Sprocket 1023 material with heat treatment can work 15, 000km, 1045 material with heat treatment can work 20, 000km
5. What brand sprocket can you supply?
We make our own brand, of course can make OEM brand, with your authorized letter and register brand letter
6. What's your delivery time for sprocket?
Usually 30 days after getting your deposit
Motorcycle sprocket, front sprocket, rear sprocket, chain set, sprocket set, motorcycle parts, motorcycle sprocket set, motorcycle sprocket wheel, chain sprocket, motorcycle parts, motorcycle gear, timing sprocket, front sprocket, motorcycle wheel, sprocket kit, motorcycle spare parts, sprocket wheel, chain wheel, sprocket, sprocket gear, standard sprocket are good quality and not only standard sprocket, we also produce the sprocket as per your drawing and reach OEM quality level.
| Product Name | Rear Sprocket |
| Material | C45, A3, 40Cr, 20CrMnTi, 42CrMo, copper, stainless steel and so on as per your request |
| Process | Forged |
| Heat Treatment | High frequency quenching, heat treatment, hardened teeth |
| Surface Treatment | Chrome plated, zinc plated, color painting, or customer requirement |
| Performance | High precision, high wear resistance, low noise, smooth and steady, high strength |
| Model we can provide | |
| YAMAHA | JOG50, SR50, YB50, YB80, YB100, JY55, CX50, V50, V80, V90, COMET, CPI, T50, NF50, NF55, NX50, AXIS90, AXIS100, RS100, DX100, SRZ150, YBR125, Y110,XH100, LC100, DX100, YAMAHA 100, YAMAHA250, ETC |
| HONDA | GY6,BT50, LEAD50, WS100, WS110, CG125, CG150, WY125, WY150, GL125, CD100, CD110, JH125, JH90, C70, C75, C100, C110, QJ110, L90, DY100, JL100,QJ100, SY150, CB150,TITAN00/99,XL125, XL185, NXR125,H100S,ETC |
| SUZUKI | FR50, FR80, AD50, AD60, AG50, AG60, A100, AX100, K90, FB70, FB100, K100, K125, MAX100, GP125, GS125 ,ETC |
| BAJAJ | BOXER, DISCOVER, PULSAR, PLATINA, ETC |
Product Parameters
| Brand : | BMT; Luman; OEM | Bearing Size : | GB/T 276-2013 |
| Bearing Material : | Bearing Steel | Inner Diameter : | 3 - 120 mm |
| Rolling : | Steel balls | Outer Diameter : | 8 - 220 mm |
| Cage : | Steel; Nylon | Width Diameter : | 4 - 70 mm |
| Oil/Grease : | Chevron greatwall etc… | Clearance : | C2; C0; C3; C4 |
| ZZ bearing : | White , Yellow etc… | Precision : | ABEC-1;ABEC-3; ABEC-5 |
| RS bearing : | Black , Red,brown etc… | Noise Level : | Z1/Z2/Z3/Z4 |
| Open bearing : | No cover | Vibration Level : | V1/V2/V3/V4 |
About us
Ningbo Demy (D&M) Bearings Co., Ltd. was established in 2005 and one of leading ball & roller bearing manufacturers & belt, chain, auto-parts exporters in China. It is specialized in research and development for various kinds of high precision, non-noise, long-life bearings, high quality chains, belts, auto-parts and other machinery&transmission products. At present, demy has more than 500 employees and produces 50 million sets of bearings annually. Due to our many years of experience and our own manufacturing in yuyao china bearing town,DEMY has already served thousands of customers around the world.we participate in major professional exhibitions at home and abroad every year.
Good quality control and competitive prices
Each goods is processed by our internal quality management (ISO 9001:2000) with the corresponding testing, such as noise testing, checks of grease application, sealing checks, hardness degree of the steel as well as measurements.
Adherence to delivery dates, flexibility and reliability have had strong foundations in the corporate philosophy for years now.
DEMY is good at offering customer-specific quality at attractive and competitive prices.
Why Choose US ?
1.History : DEMY(D&M)BEARING CO., LTD is located in Hemudu Culture Ruins of Ningbo China which has 7000-year-old history. It is specialized in research and development for various kinds of high precision, non-noise, long-life bearings, high quality chains, belts, auto-parts and other machinery&transmission products.
2.Enterprise Scale: The company has manufacturing space of more than 30,000 square meters and has 20 sets of automatic gringding production lines, automatic assembly lines with the annual production capacity of 25 millions sets.
3.Export experience: Our company is one of the biggest bearing manufacturers and exporters in china. Our products are sold all over the world, include Europe, North America, the Middle East, Southeast Asia and South America etc.
4.Brand: We have two independent brands : BMT ; Luman bearing.OEM also is accepted.
5.Quality Control: Each goods is processed by our internal quality management (ISO 9001:2000) with the corresponding testing, such as noise testing, checks of grease application, sealing checks, hardness degree of the steel as well as measurements.Adherence to delivery dates, flexibility and reliability have had strong foundations in the corporate philosophy for years now.
6.Service: High quality, good credit and excellent service are the tenet of our company. Customers'satisfaction is our lifeline, as well as our highest honor. We will do our best to meet your requirements, and will do better in the future.
