by 
Bearing Introduction of structure and function.
DERUNA has made a significant contribution to the development and advancement of various industries that depend on machinery. As a comprehensive bearing manufacturer, DERUNA responds to the needs of a wide range of fields.
A staggering number of bearings can be found all around us. Take an automobile, for example: an average car has 100 to 150 bearings. Without bearings, the wheels would rattle, the transmission gears would not engage, and the car would not run smoothly.
Bearings enhance the functionality of machinery and help save energy. Bearings work silently in harsh environments, hidden from our view in machines. However, bearings are vital to the stable operation of machinery and to ensure its optimal performance.
Anything that can be called a machine inevitably contains bearings. Bearings must meet a wide variety of needs, and they will continue to evolve to do so.
| Deep groove ball bearing | |
| Brand Name | DERUNA |
| Model Number | 6206 |
| Place of Origin | China |
| Precision Rating | P0 P6 P5 P4 P2 |
| Seals Type | ZZ 2RS |
| Product name | DERUNA bearing |
| Application | Automotive.tractor.construction Machinery.rolling Mill |
| Material | Chrome Steel/GCr15 Stainless Steel |
| Feature | Long Life |
| Service | OEM Customized Services |
| Package | Original package |
| Sample | Availabe |
| Self-aligning Ball Bearing-Bearing Introduction | |
| Brand Name | DERUNA |
| Place of Origin | China |
| Precision Rating | P0 P6 P5 P4 P2 |
| Product name | DERUNA bearing |
| Application | precision instruments, low noise motors, automobiles, motorcycles and general machinery, etc. |
| Material | Chrome Steel/GCr15 Stainless Steel |
| Feature | Long Life |
| Service | OEM Customized Services |
| Package | Original package |
| Sample | Availabe |
| Cylindrical Roller Bearings-Bearing Introduction | |
| Bearing Materials | GCr15,GCr15SiMn,G20Cr2Ni4A etc. or Customerized |
| Cage | Steel Cage,Cooper Cage |
| Quality certificate | ISO9001:2000 |
| Feature | Low Noise, Low Vibration, High Precision, Long Life |
| Size | ID 100MM – OD 2000MM |
| Brand | DERUNA |
| Tolerance Standard | ISO492, ANSI B3.14, DIN 620/2, GB307, SB/T53419-94, SB/CO/T10-89 etc. |
| Precision Grade | ABEC(1,3,5,7,9),P0,P6,P5,P4,P2 and Equal Level |
| Application | Metallurgical Machine, Paper Making Machine, Petrochemical,Mahine, Mining Machine, Gearing Machine, Cement, Etc. |
| Feature | Long Life |
| Service | OEM Customized Services |
| Package | Original package |
| Sample | Availabe |
| Spherical Roller Bearing | |
| Model | CA CAK CC CCK ME MA spherical roller bearings |
| Material | Chrome Steel, GCR15 |
| Type | Double Row |
| Size | d:3-150mm,D:9-225mm |
| Grade | P6,P5,P4 |
| Cage | Steel Cage,Cooper Cage |
| Used For | Paper machine, deceleration device, railway vehicle axle, rolling mill gearbox seat, rolling mill roller track, crusher, vibrating,screen, printing machine, woodworking machinery,screen, printing machine, woodworking machinery |
| Warranty | 1 year |
| Brand | OEM or HFZZ |
| Packing | According to the buyer requests for packaging |
| Angular Contact Ball Bearing | |
| Brand | DERUNA |
| Quality Standard: | ISO9001:2008 |
| Bearing No. | 25TAC 47B |
| Precision: | P0, P2, P4, P5, P6 |
| Vibration Level: | V1, V2, V3, V4 |
| Clearance: | C2, C3, C4, C5 |
| Hardness: | 59-63 HRC |
| Seal Types | Open or Sealed |
| Material: | Gcr15, Gcr15SiMn, Chrome steel, ceramic, stainless steel |
| Cage material | Steel cage, bakelite, nylon, brass, PEEK |
| Application | Angular Contact Ball Bearing are widely used in Machine tool spindles, high frequency motors, gas turbines, centrifugal separator, small car front wheels, differential pinion shaft, roots blowers, air compressors, transmissions, printing machine motors, water pump, oil pump, cutting machines, reducers, prospecting machines, polishing machines, diesel engines, textile machinery, steel mills etc. |