TIMKEN Radial Ball Bearing: 6311, Open, 55 mm Bore, 120 mm OD, 29 mm Wd, Alloy Steel Ring
The TIMKEN Radial Ball Bearing, model 6311 (MPN 311W), is a high-capacity radial ball bearing with an open design. It features a 55 mm bore, 120 mm outer diameter, and 29 mm width, constructed with an alloy steel…
SKU 3G-OTH-98861
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Product Description
The TIMKEN Radial Ball Bearing, model 6311 (MPN 311W), is a high-capacity radial ball bearing with an open design. It features a 55 mm bore, 120 mm outer diameter, and 29 mm width, constructed with an alloy steel ring. This metric bearing is identified by industry number 6311.
Frequently Asked Questions
What is the TIMKEN 6311 radial ball bearing used for?
The TIMKEN 6311 radial ball bearing supports moderate radial and axial loads in industrial machinery such as pumps, gearboxes, conveyors, and electric motors. Its open design allows for custom lubrication, making it suitable for applications requiring high-speed operation and reliable performance under continuous duty.
What are the specifications of the TIMKEN 6311 bearing?
The TIMKEN 6311 radial ball bearing has a 55 mm bore, 120 mm outer diameter, and 29 mm width. It features an open design with an alloy steel ring, metric system of measurement, and bearing industry number 6311 (MPN 311W). This high-capacity bearing is built for durability in demanding industrial environments.
Where to buy TIMKEN 6311 bearings worldwide?
3G Electric supplies the TIMKEN 6311 radial ball bearing to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this bearing for your application, with lead time available on request.
How to select the right TIMKEN radial ball bearing for an application?
To select the correct TIMKEN radial ball bearing, match the bore, outer diameter, and width to your shaft and housing dimensions. Consider load type (radial vs. axial), speed requirements, and lubrication method. For the 6311 model, verify the 55 mm bore and 120 mm OD fit your assembly, and confirm the open design suits your lubrication system.
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Common applications for TIMKENTIMKEN Products
3G Electric supplies TIMKEN high-capacity radial ball bearings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















