Our factory
Ningbo Demy (D&M) Bearings Co., Ltd. is a leading manufacturer of ball & roller bearings and exporter of belts, chains and auto parts in China. We specialize in research and development of various kinds of high precision, non-noise, long-life bearings, high quality chains, belts, auto parts and other machinery & transmission products.  
Company adheres to the "people-oriented,sincerity," the management idea, unceasingly to provide customers with stable quality products and perfect service, thus win the trust of the domestic abd international customers. Now it has got ISO/TS 16949:2009 system certification. Products are export to Asia, Europe, the Americas and other 30 countries and regions. 

Spherical roller bearings:
1) High quality and good service
2) Less friction and low noise
3) Competitve price
4) Durable 
 
bearing: 
1 Ability to carry heavy loads
2 Less coefficient of friction
3 High limiting speed:
4 Large size range: inner Diameter from 1mm- 750mm 
5 variations of structure: CC,CA,K,W33, N,NR, MB,NU,NJ
6 Main products
B) Spherical roller bearing:
22200, 22300, 22300, 23000, 23100, 23200 series. Suffixes with CA, K, W33 types available
C) Cylindrical roller bearing:NU, NJ NUP series
D) Tapered roller bearing: Metric; Inch
E)  Needle roller bearing : NA,NKI,RNA,HK series
F) Thrust ball bearing: 51100, 51200,51300, 51400 series
G) Automobile bearing: Wheel Hub bearing, water pump bearing, clutch release bearing, air-condition bearing
H) Angular Contact ball bearing: 7000,7200,7300,3200,3300,5200,5300 series
I) Pillow blocks:UC, UCP, UCF, UCFL,UCT,SP,SF,PA,SFK Series
J) Non-standard/special bearing: Various Non-standard/special bearing
7 Material: carbon steel, chrome steel, stainless steel and ceramic bearing, satisfy different inquiries.
8 Package: industrial exporting packing, Upon the customers' request.
9 Delivery: according to the quoantity, 25-40 days after order confirmation
10 Payment: 30% T/T in advance after order confirmation, 70% T/T against the original B/L copy.  or 100% irrevocable L/C at sight.

Our specifications:
1.Materials: carbon steel, chrome steel, stainless steel and ceramic bearing, satisfy different inquiries.
2.Brands:BMT
3.Hand Feeling:Moves very fast and quiet,with smooth feeling
4.internal diameter dimension: 50-1500mm
5.Package:industrial exporting packing, Upon the customers' request.
 
Main applications:
Metallurgy and rolling mill oil rig.
nherently self-aligning and very robust, the two rows of
rollers enable them to carry heavy loads
We have 22200, 22300, 22300, 23000, 23100, 23200 series. Suffixes with CA, K, W33 types available
22200CAW33, 22200CCW33C3, 22320CAW33C3, 22320MBW33, 22220MBW33, 22220MBKW33, 22348CAKW33C3, 22209CAW33C3