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For more than sixty years, Spyraflo has stood as a reliable ally to engineers, providing ingenious solutions and conquering design hurdles.
Our state-of-the-art self-clinching and self-aligning bearing technology not only elevate performance but also drive cost efficiencies for manufacturers spanning various product domains. From satellites to printers, ATMs to medical equipment, treadmills to scanners, robotics, and beyond, Spyraflo's proficiency has made a lasting impact across diverse industries.
SAE 840 Bronze
- Material: Copper: 90% (bal.), Tin: 9.5-10.5%, Graphite: 0.0-0.3% (max), Other: 0.0-2% (max)
- Lubrication: Mobil DTE Medium Oil
- P - Pressure: 2,000 PSI
- V - Velocity: 1,200 FPM
- PV Rating: 25000 PSI x FPM
- Friction Coefficient: µ 0.04 - 0.35
- Shaft Requirements: 95 HRB (min), 16 RMS (0.4 Ra) Surface Finish
- Operating Temp: -20° to 200° F
- Options: -HG for High-Temp Graphite, -H3 for Super Lube Oil (food contact)
PTFE Bronze
- Material: Bronze/PTFE Composite Matrix, steel substrate
- Lubrication: Polytetrafluoroethylene (PTFE)
- P - Pressure: 8,000 PSI
- V - Velocity: 400 FPM
- PV Rating: 50,000 PSI x FPM
- Friction Coefficient: µ 0.03 - 0.25
- Shaft Requirements: 95 HRB (min), 16 RMS (0.4 Ra) Surface Finish
- Operating Temp: -40° to 280° F
- Options: -HT for High-Temp (0° to 540°F), -LT for Low-Temp (-200° to 200°F)
Acetal
- Material: Crystalline Acetal Homopolymer
- Lubrication: None Added
- P - Pressure: 1,000 PSI
- V - Velocity: 100 FPM
- PV Rating: 3,000 PSI x FPM
Acetal - AF
- Material: ← (CAH) w/ 20% PTFE Fibers
- Lubrication: None Added
- P - Pressure: 900 PSI
- V - Velocity: 200 FPM
- PV Rating: 7,000 PSI x FPM
Spyraflo is a manufacturer of ROHS compliant and specialty bearings for a wide variety of industries and applications. Our ISO 9001:2015 certificate can be found online!
(Certified by EAGLE Registrations Inc. 2023-2026)
The Self-Aligning Advantage
Figure 1. Misaligned plain bearings bind the shaft.
A misaligned rolling bearing causes increased rolling friction, accelerated fatigue, shaft binding and decreased service life. Damage to rolling elements and races can also occur.
Figure 2. Improperly loaded ball bearings have shorter service life
Misaligned bearings are often a result of the manufacturing process. Castings, die-castings and injection-molded components frequently shrink and deform as the material cools and stabilizes. The nature of these processes makes it difficult to consider molding a bearing support without additional operations to line-bore or precision machine supporting bores. Even a fully machined precision component may have difficulty with material stress relief, resulting in misaligned bearing supports. Although manufacturing problems can be worked around, each additional process adds considerable cost to the end product, especially when competing in a global market.
Figure 3. Spyraflo plain bearings self-align for ideal performance
Spyraflo self-aligning bearings provide the best possible alignment regardless of alignment imperfections in the mount component. Straight, smooth-running, self-aligning bearings deliver ideal performance with the lowest possible friction and the longest service life.
Spyraflo self-aligning bearings allow designers to achieve design intent without the costly methods required to keep bearings mounts perfectly aligned. Using self-aligning bearings, you can relax tolerances and component constraints, and simply rely on the self-compensating features of our bearing. This approach can dramatically reduce component and assembly cost.
Figure 4. Spyraflo self-aligning rolling bearings ease assembly
Spyraflo self-aligning bearings are also self-compensating, so the ID is unaffected by assembly. This results in a feature-rich solution that not only enhances design, but can also significantly reduce manufacturing cost.
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