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FF2025ZW FT2025ZW
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Description of Flat Needle Roller Retainer
A Flat Needle Roller Retainer is a thin, flat component used in needle roller bearings to retain and guide a set of needle rollers. It typically consists of a sheet-like structure with pockets or openings that hold the needle rollers in a parallel and flat configuration. The retainer ensures proper spacing and alignment of the needle rollers, allowing for smooth rolling motion.
Features of Flat Needle Roller Retainer
- Compact Design: The flat and thin structure of the retainer allows for a compact overall design of the needle roller bearing.
- Even Load Distribution: The retainer maintains the correct spacing between the needle rollers, ensuring even load distribution along the bearing's raceways.
- High Load Capacity: Needle roller bearings with flat needle roller retainers can handle high radial loads due to the large contact surface area between the rollers and the raceways.
- Low Friction: The use of a flat retainer minimizes friction between the needle rollers and the retainer, contributing to efficient and smooth motion.
Applications of Flat Needle Roller Retainer
- Automotive: Flat needle roller retainers are commonly used in automotive applications such as transmissions, gearboxes, and drivetrain components.
- Industrial Machinery: They find application in various industrial machinery, including machine tools, textile machinery, printing machinery, and packaging equipment.
- Power Transmission: Flat needle roller retainers are used in power transmission systems, such as conveyor systems and roller chains.
- Aerospace: They are also utilized in aerospace applications, such as aircraft landing gear systems.
Technology of Flat Needle Roller Retainer
The technology behind flat needle roller retainers involves precision manufacturing techniques to ensure accurate dimensions, proper alignment of the needle rollers, and reliable retention of the rollers. The retainers are typically made from steel or brass materials, chosen for their strength, durability, and wear resistance properties. The manufacturing process involves cutting or stamping the retainer from a flat sheet, followed by forming or machining the pockets or openings to hold the needle rollers securely.
Regular Size as Follow of Flat Needle Roller Retainer
| Type | Model No | H*W*L(mm) | Thickness(mm) | Needle Size (mm) | Needle Number |
| Single row | FF2010 | 2*10*32 | 2 | 2*6.8 | 7 |
| FF2515 | 2.5*15*4.8 | 2 | 2.5*9.8 | 8 | |
| FF3020 | 3*20*64 | 2.5 | 3*13.8 | 9 | |
| FF3525 | 3.5*25*77 | 2.5 | 3.5*17.8 | 10 | |
| Double row | FF2025ZW | 2*25*32 | 3 | 2*6.8 | 7 |
| FF2535ZW | 2.5*35*48 | 3 | 2.5*9.8 | 8 | |
| FF3045ZW | 3*45*64 | 3.5 | 3*13.8 | 9 | |
| FF3555ZW | 3.5*55*77 | 3.5 | 3.5*17.8 | 10 |
Product Parameters of Flat Needle Roller Retainer
Description of Flat Needle Roller Retainer
A Flat Needle Roller Retainer is a thin, flat component used in needle roller bearings to retain and guide a set of needle rollers. It typically consists of a sheet-like structure with pockets or openings that hold the needle rollers in a parallel and flat configuration. The retainer ensures proper spacing and alignment of the needle rollers, allowing for smooth rolling motion.
Features of Flat Needle Roller Retainer
- Compact Design: The flat and thin structure of the retainer allows for a compact overall design of the needle roller bearing.
- Even Load Distribution: The retainer maintains the correct spacing between the needle rollers, ensuring even load distribution along the bearing's raceways.
- High Load Capacity: Needle roller bearings with flat needle roller retainers can handle high radial loads due to the large contact surface area between the rollers and the raceways.
- Low Friction: The use of a flat retainer minimizes friction between the needle rollers and the retainer, contributing to efficient and smooth motion.
Applications of Flat Needle Roller Retainer
- Automotive: Flat needle roller retainers are commonly used in automotive applications such as transmissions, gearboxes, and drivetrain components.
- Industrial Machinery: They find application in various industrial machinery, including machine tools, textile machinery, printing machinery, and packaging equipment.
- Power Transmission: Flat needle roller retainers are used in power transmission systems, such as conveyor systems and roller chains.
- Aerospace: They are also utilized in aerospace applications, such as aircraft landing gear systems.
Technology of Flat Needle Roller Retainer
The technology behind flat needle roller retainers involves precision manufacturing techniques to ensure accurate dimensions, proper alignment of the needle rollers, and reliable retention of the rollers. The retainers are typically made from steel or brass materials, chosen for their strength, durability, and wear resistance properties. The manufacturing process involves cutting or stamping the retainer from a flat sheet, followed by forming or machining the pockets or openings to hold the needle rollers securely.
Regular Size as Follow of Flat Needle Roller Retainer
| Type | Model No | H*W*L(mm) | Thickness(mm) | Needle Size (mm) | Needle Number |
| Single row | FF2010 | 2*10*32 | 2 | 2*6.8 | 7 |
| FF2515 | 2.5*15*4.8 | 2 | 2.5*9.8 | 8 | |
| FF3020 | 3*20*64 | 2.5 | 3*13.8 | 9 | |
| FF3525 | 3.5*25*77 | 2.5 | 3.5*17.8 | 10 | |
| Double row | FF2025ZW | 2*25*32 | 3 | 2*6.8 | 7 |
| FF2535ZW | 2.5*35*48 | 3 | 2.5*9.8 | 8 | |
| FF3045ZW | 3*45*64 | 3.5 | 3*13.8 | 9 | |
| FF3555ZW | 3.5*55*77 | 3.5 | 3.5*17.8 | 10 |
Product Parameters of Flat Needle Roller Retainer
