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Bore
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The bearing industry uses a standard numbering system for bearings with metric-diameter bores. If the bore is hexagonal, enter the dimension across the flats. If the bore is tapered, enter the smaller diameter. For bore sizes 04 and up, multiply the bore size by 5 to identify the bore diameter in millimeters (mm). Refer to the table below.
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Search Logic:
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User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Bearing / Housing Outside Diameter
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Enter the outside diameter of the bearing. For housed bearings, include the housing. For flanged bearings, exclude the flange.
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Search Logic:
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User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Outer Ring Width:
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The width of the outer ring.
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Search Logic:
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User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Overall Width
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Enter the overall width of the bearing or bearing assembly, including the locking collar (if present).
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Search Logic:
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User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Tables:
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Bore Size (does not list all possible sizes)
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| Bore Size | Dimension (mm) | | 00 | 10mm | | 01 | 12mm | | 02 | 15mm | | 03 | 17mm | | 04 | 20mm | | 05 | 25mm | | 06 | 30mm | | 07 | 35mm | | 08 | 40mm | | 09 | 45mm | | 10 | 50mm | | 11 | 55mm | | 12 | 60mm | | 13 | 65mm | | 14 | 70mm | | 15 | 75mm | | 16 | 80mm | | 17 | 85mm | | 18 | 90mm | | 19 | 95mm | | 20 | 100mm |
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Bore Size (does not list all possible sizes)
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| Bore Size | Dimension (mm) | | 00 | 10mm | | 01 | 12mm | | 02 | 15mm | | 03 | 17mm | | 04 | 20mm | | 05 | 25mm | | 06 | 30mm | | 07 | 35mm | | 08 | 40mm | | 09 | 45mm | | 10 | 50mm | | 11 | 55mm | | 12 | 60mm | | 13 | 65mm | | 14 | 70mm | | 15 | 75mm | | 16 | 80mm | | 17 | 85mm | | 18 | 90mm | | 19 | 95mm | | 20 | 100mm |
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Ball Screw Support Bearing Types
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Your choices are...
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Radial Ball Bearing
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Radial, or deep groove bearings, can take radial and axial loads to varying degrees but are used when the primary load is in the radial direction. They consist of an inner ring, an outer ring, balls and sometimes a cage to contain and separate the balls.
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One Directional Thrust Bearing
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Bearing is one single directional thrust angular contact style bearing. Tolerates some misalignment. Same radial load as deep-groove bearings, but 2-3 times the thrust load.
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Duplex Set
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Two, matched bearings for use in ball screw support applications.
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Triplex Set
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Three, matched bearings for use in ball screw support applications.
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Quadruplex Set
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Four, matched bearings for use in ball screw support applications.
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Search Logic:
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All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Cartridge Unit?
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Ball screw support bearings are pre-assembled in a flanged cartridge unit. The cartridge typically consists of a housing with boltholes parallel to the bearing axis, bearings, and seals.
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Search Logic:
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"Required" and "Must Not Have" criteria limit returned
matches as specified. Products with optional attributes
will be returned for either choice.
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Pillow Block Unit?
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Ball screw support bearings are preassembled in a block or pillow block unit. The bearing assembly has a mounting surface perpendicular to the bearing axis and is assembled via predrilled boltholes. The pillow block assembly typically includes seals.
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Search Logic:
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"Required" and "Must Not Have" criteria limit returned
matches as specified. Products with optional attributes
will be returned for either choice.
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Combined Needle Roller
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These bearings combine needle roller radial bearings with a ball or roller thrust bearing. These bearings can be used for combined radial and axial loading applications.
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Search Logic:
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"Required" and "Must Not Have" criteria limit returned
matches as specified. Products with optional attributes
will be returned for either choice.
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Stainless Steel
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Stainless steel is chemical and corrosion resistant and can have relatively high pressure ratings.
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Search Logic:
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"Required" and "Must Not Have" criteria limit returned
matches as specified. Products with optional attributes
will be returned for either choice.
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Ceramic Hybrid (ceramic balls)
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A ceramic hybrid bearing is constructed of steel inner and outer rings with ceramic (typically Si3N4) balls in place of steel. These bearings have several advantages over all steel bearings, such as higher speed and acceleration capability, increased stiffness, higher accuracy, lower friction and heat generation, reduced lubrication requirements, low thermal expansion, extended operating life. Bearings containing all ceramic balls are also nonconductive and are commonly used in electric motor applications.
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Search Logic:
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"Required" and "Must Not Have" criteria limit returned
matches as specified. Products with optional attributes
will be returned for either choice.
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Plated
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Bearing is plated. Common plating materials are cadmium and chrome.
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Search Logic:
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"Required" and "Must Not Have" criteria limit returned
matches as specified. Products with optional attributes
will be returned for either choice.
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