Cylindrical Roller Bearings
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SIT TORQUE-FLEX® narrow “XP” high-performance belts are manufactured in accordance with European standards ISO 4184 and DIN 2215. Designed for high-speed operation on small-diameter pulleys and short center distances, they are also suitable for use in multiple V-belt drives where high shock loads and heavy loads are encountered. No special selection is required for multiple drives, as they are manufactured according to the Matchmaker® System , which ensures tighter production tolerances compared to regulatory limits.
- Profile: XPZ-XPA-XPB-XPC
- Static conductor (ISO 1813)
- Temperature: -20/+70 °C
- Traction members: Vytacord (high-strength polyester)
- Composite: Wingprene
- Guaranteed dimensional stability
- Greater flexibility (molded sprocket)
- The reinforced tension members
- Matchmaker® System
Available with standard V-pulleys made of DIN 1691 GG20/GG25 cast iron, with solid shaft, for mounting SER-SIT® tapered bushes, preconfigured with oversized hub for self-locking units or according to customer specifications.
Configurations with integral flanges or loose ribs on both the inner and outer rings can support a small amount of axial load. Since this type of bearing supports axial loads as a sliding action between the ends of the rollers and the flange faces, the axial load is limited. Double row cylindrical roller bearings are used for high speed and high precision applications, such as: Main spindle support for lathes, milling machines, machining centers
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