SKF 2308 E-2RS1TN9 Double Row Self-Aligning Bearing, ABEC 1 Precision, Double Sealed, Plastic Cage, Normal Clearance, Metric, 40mm Bore, 90mm OD, 33mm Width

Key features

• Self-aligning bearing for applications subject to shaft deflections or misalignments between the shaft and housing
• Optimized internal design for a higher load rating than standard SKF self-aligning bearings
• NBR rubber seal on both sides of the bearing keeps lubricant in and contaminants out
• Polyamide 66 plastic cage evenly spaces balls for reduced friction, vibration, and noise
• Normal radial internal clearance for applications where thermal expansion is not a factor

This SKF double-row self-aligning ball bearing is double-sealed, and has an optimized internal design, cylindrical bore, reinforced polyamide cage, and normal clearance rating. It is suitable for applications supporting moderate radial loads and moderate to low thrust loads. This bearing has concave sphered housing rings to compensate for static angular misalignments between the shaft and housing in applications subject to shaft deflections or mounting errors. Because this bearing type has the lowest operational friction of all rolling bearings, it runs cool at high speeds. The bearing is made of low-alloy, through-hardened chromium steel for durability and resistance to deformity under heavy loads. Due to its optimized internal design, an SKF bearing with an E suffix has a higher load rating than a standard SKF bearing of comparable size. This bearing has a straight bore for fitting on a conventional cylindrical shaft. Sheet-steel reinforced acrylonitrile-butadiene (NBR) rubber seals on both sides of the bearing keep out contaminants such as dirt and grime and hold in lubricant applied at manufacture. The permissible operating temperature range of NBR is from -40 to 120 degrees C

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