Bearings • Roller Bearings
Roller bearings is a type of rolling element bearing. They use cylinders that are greater in length than the diameter. Relative to ball bearings, roller bearings have higher radial load capacity. They have low axial load capacity and higher friction. Also in comparison to ball bearings, the bearing capacity of roller bearings can decrease at a faster rate if the inner and outer races are not aligned properly. Common types of roller bearings include cylindrical, spherical, tapered, and needle. They are ideal for heavy-duty and moderate-speed functions. But cylindrical bearings have lower speed capabilities.
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Dodge are manufacturers of roller bearings. Tapered types are offered in many types. The Type E-XTRA high capacity are available in flange or steel housed pillow blocks. Type K are a double row configuration. The Dodge "All Steel" type tapered design offers a cast steel housing with duplex tapered roller bearings available in cartridge or pillow block units. Dodge spherical types come in over a half dozen configurations including a unit-housed high capacity double row, a large bore steel housing type, and a split cap spherical bearing available in ductile iron or steel. Other products available include mounted with stainless steel housings, self aligning sleeve, and babbitted journal designs.