Roller bearing outer ring is an important part of roller bearing, as the outer surface of the rolling body to contact and rotate around the shaft, its role is to ensure the normal operation of the rolling body on the shaft through the transition with the fixed shaft.
Roller bearing outer rings play a vital role in maintaining alignment and reducing friction, so the choice of materials is also a top priority, which needs to be selected according to the use scenario, usually available materials are: (bearing steel, stainless steel, 45 steel, Gcr15), these materials can withstand heavy loads and harsh conditions.
In the actual scenario, the appropriate model and accuracy level should be selected, and the correct installation and use should be carried out according to the use environment and load conditions of the equipment, so as to extend the service life of the bearing and improve the working efficiency and reliability of the equipment. Therefore, most roller bearing outer rings need to be customized to the most suitable size, material, shape and accuracy, FTM has a professional team to customize and produce high-quality roller bearing outer rings.
|
Inner Ring Designation |
mm |
kg Weight |
||
|
D |
F |
B
|
||
|
LR13 |
13 |
17.2 |
24 |
0.01837 |
|
IR14 |
14 |
17 |
17 |
0.009665 |
|
IR15 |
15 |
18~20 |
16~23 |
0.0093~0.0247 |
|
IR16 |
16 |
20~26 |
9~15.5 |
0.00774~0.039504 |
|
IR17 |
17 |
20~24 |
16~20 |
0.011~0.034 |
|
LR17 |
17 |
20 |
30.5 |
0.021 |
|
LR18 |
18 |
26 |
15.5 |
0.033024 |
|
IR19 |
19 |
22 |
14 |
0.010416 |
|
IR20 |
20 |
24~28 |
16~20 |
0.017~0.0452 |
|
LR20 |
20 |
25 |
20.5 |
0.0279 |
|
IR22 |
22 |
26~28 |
12~30 |
0.01373~0.054 |
|
IR25 |
25 |
30~32 |
18~22 |
0.0298~0.052 |
|
LR25 |
25 |
30 |
26.5 |
0.043 |
|
IR28 |
28 |
32 |
17~30 |
0.0245~0.0438 |
|
IR30 |
30 |
35~38 |
16~20 |
0.031~0.065 |
|
LR30 |
30 |
35 |
20.5 |
0.0407 |
|
IR60 |
60 |
68~70 |
25~60 |
0.195~0.463 |
|
IR62 |
62 |
70~75 |
30~39 |
0.2523 |
|
IR65 |
65 |
72~75 |
25~45 |
0.142~0.2362 |
|
IR70 |
70 |
80 |
25~54 |
0.224~0.48 |
|
IR75 |
75 |
84~85 |
44~54 |
0.38572~0.52 |
|
IR80 |
80 |
80~90 |
25~54 |
0.25712~0.55 |
|
IR85 |
85 |
95~100 |
26~63 |
0.28~1.05 |
|
IR90 |
90 |
105 |
63 |
1.11 |
|
IR110 |
110 |
120~125 |
30~40 |
0.409~0.86276 |
FTM processing technology:
1. Optional material: bearing steel GCR15 stainless steel metal, etc
Optional size: Custom 10-250mm range of any size, custom channel, chamfer, roughness, precision and surface treatment
2. Heat treatment
Heat treatment processes, such as hardening and tempering, are often applied to rings to improve durability, hardness and wear resistance.
3. Precise tolerances
Precision is key to manufacturing outer rings, as even small deviations can affect performance.
They are machined to high tolerances to optimally fit the rollers and inner rings, preventing unnecessary movement or misalignment.
4. Customizable roller bearing type with outer ring
Cylindrical roller bearings: The outer ring is usually separable for easy installation and removal.
Tapered roller bearings: The outer ring has a tapered shape to support radial and axial loads.
Spherical roller bearings: The outer ring has a sphere to accommodate misalignment.
Shaoxing Shangyu Flight Seiko Machinery Co., Ltd. (FTM), founded in 2006, is China Roller Bearing Outer Rings Suppliers and Wholesale Roller Bearing Outer Rings Factory.And it an enterprise focusing on the R&D, manufacturing, and customization of non-standard bearings, high-precision bearings (import substitution), and bearing accessories and mechanical parts. With more than 30 years of technical design experience, FTM has earned an excellent reputation in the field of high-quality bearings. Our professional technical team provides domestic and foreign customers with high-quality bearing solutions in engineering machinery, textile machinery, and other fields.
Relying on years of professional manufacturing and technical skills, FTM actively introduces advanced CNC machine tools from Japan to ensure product processing accuracy and stability. In addition, FTM's bearing product research is guided by a doctor of tribology. We adhere to the corporate philosophy of innovation and development, and our products are exported to many countries and regions around the world. We have long been supporting and producing various types of bearings for many world-renowned companies, maintaining good production relationships. Spin into eternity, inherit excellence, and create the future together. Choose FTM, and we will be your best choice for bearing solutions.
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In heavy duty industrial applications, the reliability of your machinery depends on the precision of its smallest components. Roller bearing outer rings are foundational elements in rotating systems, serving as the critical outer raceway that houses and guides the rolling elements. Positioned within the housing, the outer ring manages the transition with the fixed shaft, ensuring that the rollers rotate smoothly, maintain perfect alignment, and minimize operational friction.
Because these components are subjected to intense radial loads, high speeds, and harsh operating environments, material selection and structural integrity are paramount. Standard options often fall short when facing specialized industrial demands, which is why selecting the right engineering partner is essential for your equipment’s longevity.
With over 30 years of technical design experience, Shaoxing Shangyu Flight Seiko Machinery Co Ltd (FTM) specializes in the R&D, manufacturing, and customization of high precision bearing components and non standard mechanical parts. We provide import substitution solutions that match or exceed original equipment manufacturer standards, offering distinct advantages for your supply chain:
| Material Grade | Core Features and Mechanical Properties | Recommended Application Scenarios |
|---|---|---|
| GCr15 Bearing Steel | High carbon chromium content, exceptional wear resistance, high fatigue life, supreme structural hardness after heat treatment | Heavy duty construction machinery, high speed textile equipment, general industrial gearboxes |
| Stainless Steel | Superb corrosion resistance, oxidation prevention under humid environments, high durability | Food processing machinery, chemical production plants, marine applications, medical equipment |
| 45 Steel | Good overall mechanical performance, high tensile strength, excellent machinability, affordable cost profile | Medium load mechanical components, agricultural equipment components, structural bearing accessories |
| Custom Alloys | Tailored chemical composition to meet targeted hardness, thermal resistance, and specialized load criteria | Non standard customized machinery, high precision import substitution configurations |
The outer ring acts as the outer track for the rolling elements, maintaining the structural alignment of the entire bearing assembly. It absorbs and distributes the radial and axial loads transmitted from the shaft to the housing, preventing misalignments that can cause premature equipment failure.
Material selection depends entirely on your load requirements and environmental factors. For standard high load applications requiring exceptional hardness and fatigue life, GCr15 or high carbon chromium bearing steel is ideal. For applications exposed to moisture, chemicals, or food processing environments, stainless steel is recommended to prevent rust and corrosion.
Standard off the shelf bearings may not accommodate specialized load profiles, unique housing constraints, or extreme operational speeds. Customizing the dimensions, material grade, and precision levels allows you to optimize the component for your exact equipment requirements, significantly improving overall machine reliability and efficiency.
The accuracy level of the outer ring directly influences the rotational smoothness, noise levels, and heat generation of the bearing. Higher precision levels reduce friction and vibration, which is critical for high speed applications like textile machinery or heavy engineering equipment where operational downtime must be minimized.
FTM leverages over three decades of technical design expertise combined with strict manufacturing standards. We utilize controlled heat treatment processes to optimize the grain structure and hardness of the steel, followed by precision grinding to achieve exact tolerances. This meticulous approach ensures that our products serve as reliable, high quality import substitutions for critical machinery.
If you have any questions or would like to know more about bearings, please feel free to contact us!
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