We manufacture high-performance motorcycle bearings that offer optimal quality and are best suited to meet the unique demands of our customers. Our strong commitment to being a quality-driven organization, coupled with innovative product development initiatives, ensures that our products are recognized and accepted by customers worldwide. Our team of experts adheres to the highest quality and safety standards to deliver the very best.
Characteristics:
- Simple lubrication system
- Self-alignment capability
- Medium to high level of thrust load capacity
- Average dynamic load capacity at all angles
- Good high-speed performance in deep grooves and angular contacts
- Low operating friction
- Low starting friction
- High tolerance to misalignment
- High tolerance to dirt
- Z1 Quality
Related products
- Raw Material
- Manufacturing
- Evidence
Our bearings use high-quality Gcr15 steel
| Item | Parameter | Details | Elpra | Chinese Product | Advantages of Elpra |
|---|---|---|---|---|---|
| 1 | BOP | Seal | In-house process | Outsourced process | In-house manufacturing ensures better quality control of produced parts |
| Greasing | Outsourced process | Outsourced process | Outsourced by the best supplier | ||
| Balls | Outsourced process | Outsourced process | Outsourced by the best supplier | ||
| 2 | Raw material | Steel-GCr15 | High-grade GCr15 steel | Raw material below standard | 1) High wear resistance 2) High fatigue resistance 3) Corrosion resistant |
Chemical Composition
| Grade | C (%) min.-max. | Si (%) min.-max. | Mn (%) min.-max. | P (%) max. | S (%) max. | Ni (%) max. | Cu (%) max. | Cr (%) min.-max. |
|---|---|---|---|---|---|---|---|---|
| GCr15 | 0.95~1.05 | 0.15~0.35 | 0.2~0.4 | 0.027 | 0.02 | 0.3 | 0.25 | 1.30~1.65 |
Highlighted Features of Gcr15
- High wear resistance
- High fatigue resistance
- Corrosion resistant
| Item | Parameter | Details | Elpra | Chinese Product | Advantages of Elpra |
|---|---|---|---|---|---|
| 1 | Manufacturing according to GB standard | Outer ring manufacturing | In-house CNC machines to make a precise inner ring | Outsourced lathe to make the outer ring | Precise dimensions |
| Inner ring manufacturing | In-house CNC machines to make a precise inner ring | Outsourced lathe to make the inner ring | In-house manufacturing ensures better quality control of the produced parts |
||
| Cage manufacturing | In-house manufacturing machine | Outsourced process | Precise dimensions | ||
| Ball insertion | In-house process | In-house process | Precise dimension | ||
| Sealing | In-house process | Outsourced process | In-house manufacturing ensures better quality control of the produced parts |
||
| Riveting | In-house process | In-house process | In-house manufacturing ensures better quality control of the produced parts |
Cada uno de nuestros rodamientos se prueba en estándares internacionales:
| Item | Parameter | Details | Elpra | Chinese Product | Advantages of Elpra |
|---|---|---|---|---|---|
| 1 | Testing Standards | Incoming material inspection | 100% inspection of incoming raw material | No testing | This ensures that the produced parts are within the tolerance limit |
| In-process | Quality control in various processes to check the dimension and shape of 100% of production | No quality control as it requires extra manpower / extra cost | This ensures that the produced parts are within the tolerance limit |
||
| Final inspection | All products are checked before dispatch to ensure good quality | No quality control as it requires extra manpower / extra cost | Defect-free product for the customer |
Vibration Test
this test is done to check vibration in the bearing
| Item | Parameter | Details | Elpra | Chinese Product | Advantages of Elpra |
|---|---|---|---|---|---|
| 1 | Testing Standards | Fatigue test | In-house life cycle test | No testing | This test is mandatory to check the quality of the bearing |
Fatigue Test
this test is done to check the life cycle of the bearing
| Item | Parameter | Details | Elpra | Chinese Product | Advantages of Elpra |
|---|---|---|---|---|---|
| 1 | Testing Standards | Fatigue test | In-house life cycle test | No testing | Long service life |
Roundness Test
this test is done to check the bearing dimensions.
| Item | Parameter | Details | Elpra | Chinese Product | Advantages of Elpra |
|---|---|---|---|---|---|
| 1 | Testing Standards | Roundness test | Dimensions checked using an automatic testing machine |
No testing | Precise dimensions |
Hardness Test
this test is done to check the hardness of the material.
| Item | Parameter | Details | Ritsuka | Chinese Product | Advantages of Ritsuka |
|---|---|---|---|---|---|
| 1 | Testing Standards | Hardness test | In-house hardness check using a durometer |
No testing | Hardness is between 60 ~ 65 |