Shaoxing Shangyu Flight Seiko Machinery Co., Ltd. (FTM) is a trusted name in the manufacturing of high-precision ball bearing rings, catering to a diverse range of industrial applications. Our ball bearing rings are meticulously crafted to meet the demanding requirements of modern engineering, offering unparalleled performance and customization.
Thin-Walled Ball Bearing Rings: Designed with a lightweight structure and a high inner-to-outer diameter ratio, ideal for applications requiring reduced weight and compactness.
Single-Row Ball Bearing Rings: The critical component of single-row ball bearings, featuring precision grooves that ensure smooth rotational motion of a single row of steel balls.
Double-Row Ball Bearing Rings: Engineered with dual grooves to accommodate the rotational motion of two rows of steel balls, offering enhanced load-bearing capacity and stability.
|
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 |
Advanced Manufacturing Excellence:
Compact and Lightweight: Tailored for industries such as aerospace, robotics, and precision machinery, where weight and size are critical factors.
High Precision and High Speed: With an accuracy level up to P2 and P4, FTM’s rings guarantee stable performance even in high-speed environments.
Low Friction and Noise: Through precision machining and meticulous material selection, FTM achieves a low friction coefficient and minimizes operational noise, enhancing efficiency and user comfort.
Customizable Design: Our expert team provides fully customizable solutions, including unique shapes and specifications, to meet specialized client requirements.
With over 30 years of technical expertise, FTM stands out as a leading manufacturer of non-standard and high-precision bearings. Our products are the result of cutting-edge R&D, state-of-the-art manufacturing processes, and a commitment to excellence. By choosing FTM ball bearing rings, you gain access to:
A versatile product portfolio tailored to global industrial needs. High-quality solutions for reducing energy loss and enhancing operational efficiency. A customer-centric approach with customized engineering to meet specific challenges.
The processing size range of 10mm to 250mm ensures flexibility across multiple applications, while our precision engineering upholds the trust and reputation we’ve earned worldwide.
Shaoxing Shangyu Flight Seiko Machinery Co., Ltd. (FTM), founded in 2006, is China Ball Bearing Rings Suppliers and Wholesale Ball Bearing 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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Shaoxing Shangyu Flight Seiko Machinery Co., Ltd. (FTM), established in 2006, is a leading manufacturer specializing in high-precision ball bearing rings for diverse industrial applications. With over 30 years of technical expertise and a dedicated R&D team guided by tribology experts, we deliver customized solutions that meet stringent performance standards, serving global clients in engineering machinery, textile, robotics, and automotive sectors.
Our ball bearing rings are engineered with precision and innovation:
Thin-Walled Ball Bearing Rings: Featuring a lightweight design and high inner-to-outer diameter ratio, these rings optimize weight reduction and compactness for applications like medical devices and semiconductor equipment .
Single-Row Ball Bearing Rings: Precision-machined grooves ensure smooth rotation of steel balls, ideal for radial and axial loads in machinery requiring high-speed performance.
Double-Row Ball Bearing Rings: Dual-groove design enhances load capacity and stability, supporting heavy-duty applications in automotive and industrial robotics.
Manufacturing Excellence:
Advanced CNC Technology: Equipped with Japanese CNC machine tools and ultra-precision grinding centers, we achieve tolerances as tight as ±0.005 mm.
Quality Assurance: Certified under IATF16949, our production integrates rigorous testing, including ultrasonic inspection and chemical composition analysis, ensuring durability and reliability.
Customization Capability: From material selection (chrome steel, stainless steel) to complex geometries (OD 10–250 mm), we tailor solutions for unique client needs.
Why Choose FTM?
As a trusted supplier to global leaders like Boeing and Caterpillar, we combine cutting-edge technology with decades of craftsmanship to deliver bearings that outperform import alternatives. Our commitment to innovation is reflected in proprietary techniques like precision cold ring rolling, which enhances geometric accuracy to Grade P2/P4 standards for high-speed rail and wind turbine applications.
Elevate your machinery’s performance with FTM’s precision-engineered ball bearing rings—where innovation meets reliability. Partner with us to unlock tailored solutions backed by global expertise and unwavering quality. Contact FTM today to discover how our bearings can drive efficiency, reduce downtime, and propel your business forward.
If you have any questions or would like to know more about bearings, please feel free to contact us!
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