McGill NEEDLE BEARING INNER RACES MCG MI-31
Precision ground inner ring provides a hardened raceway for the rollers when used with an unhardened shaft. The ring contains an oil hole and annular groove for relubrication of the bearing and can be used with both CAGEROL® and GUIDEROL® bearings or can be utilized as a bushing in plain bearing applications.
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BrandMcGill®
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UPC726166000578
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Manufacturer Part Number0003100000
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CountryUSA
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Lubrication Hole TypeLubrication Hole
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MaterialChrome Steel
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TypeStandard
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SeriesMI Series
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Inside Diameter1-15/16 in
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Outside Diameter2.4989 in
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Bore TypeRound/Spherical
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Overall Width1.76 in
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Suitable For Use WithGUIDEROL® GR RS, GR RSS, GR S, GR SRS, CAGEROL® MR RS, MR RSS, MR S, MR SRS, GR 40 SS, MR 40 SS Bearing
- AMBA standard 18.2 precision rating
- Thru hardened precision ground rings construction
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Alternative Part NumberMI 31
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UNSPSC31171500
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Standards/ApprovalsMS 51962-26
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Specification Sheet
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Catalog
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Precision ground inner ring provides a hardened raceway for the rollers when used with an unhardened shaft. The ring contains an oil hole and annular groove for relubrication of the bearing and can be used with both CAGEROL® and GUIDEROL® bearings or can be utilized as a bushing in plain bearing applications.
FC-IP-307RE Dodge® 069860 307 Series Expansion Imperial Flange Mount Roller Bearing Unit, 3-7/16 in Dia Bore, 6.09 in L Bolt Center-to-Center, 8.63 in Dia Bolt Circle, Piloted Flange Mount, 10-1/4 in OAL/Dia
Dodge® imperial spherical roller bearings are the only high-capacity double-row spherical roller bearings with an effective easy-on, easy-off adapter mounting and removal system. Not only does this patented system provide a concentric grip for superior holding on the shaft, but it reduces the fretting corrosion caused by traditional setscrews and vibration.
Sure-Grip® quick detachable bushings are easy to install and remove. Split-through flange and taper provide a true clamp on the shaft that is equivalent to a shrink fit. All sizes except JA and QT have a set screw over the key to help maintain the bushing's position on the shaft until the cap screws are securely tightened. Versatile Sure-Grip® bushings permit the mounting of the same mating part on shafts of different diameters and the mounting of different sheaves on the same shaft using the same bushing.
McGill® CAGEROL® machined race needle bearings are manufactured from bearing quality steel. Most sizes use crowned or end relieved, rollers to help reduce end stresses and allows for greater misalignment. The rollers are separated by a steel retainer (cage) to help achieve higher speeds and provide a lubricant reservoir. CAGEROL® bearings are constructed with radial lubrication hole and groove on the outer and optional inner raceway (MI series) for relubrication through the housing or shaft. Other options include a variety of seal configurations to either help prevent contaminant entry or contain the lubricant.
Sealmaster® RPB mounted tapered roller bearings are a dimensionally interchangeable upgrade from competitive Type E bearings. The exclusive features include unitized replaceable inserts, self aligning capability, split housing and the Sealmaster® alignment pin which provides for a direct path for lubrication into the bearing and helps prevent outer ring rotation. The Sealmaster® RPB is available with two traditional setscrew locking collars for easy installation. The felt seal with flinger provides a good balance between contaminant entry, grease retention and friction. Depending on application requirements, these bearings are available in both inch and metric with a wide variety of housing, sealing and lubrication options as illustrated on the pages to follow.
Browning® mounted ball bearings feature multiple housing styles, materials and configurations, an extended inner race insert bearing with ball riding nylon retainer. The insert features a rivet to prevent outer ring rotation and is available with setscrew, eccentric or BOA concentric locking collar. The contact seal with black oxide treated flinger provides a good balance between contaminant resistance, grease loss and friction.
