Industrial steel ball bearing guide from Amana Tool is a dedicated replacement guide for bits that specify Amana Tool part 47738, so installers get a direct swap without guessing dimensions. The bearing has a 1-1/8 inch overall diameter, which sets the cut profile where the bit was originally designed to run. A 1/2 inch inner diameter matches arbors sized for this bearing, keeping the guide centered during operation. The 5/16 inch height matches the axial space on tools that call out this part, helping the bearing sit correctly on the shank shoulder. The bearing uses industrial quality precision ball bearings, which support smooth rotation under typical woodworking loads. Steel construction provides a solid raceway structure that suits demanding shop environments.
This Amana Tool ball bearing guide has a 1-1/8 inch overall diameter, so it re-establishes the original guide diameter when replacing a worn bearing on matching bits. The 1/2 inch inner diameter is sized for shafts designed around this bearing, which supports concentric running and reduces wander. With a 5/16 inch height, the bearing occupies the same axial space as the factory-specified part, helping maintain the original relationship between bearing, cutter, and work surface. The bearing is specified as a replacement for Amana Tool part 47738, which simplifies sourcing for shops standardizing on that number.
This industrial router bit replacement bearing is used on Amana Tool router bits that list 47738 as the bearing, tying the physical bearing dimensions to the bit geometry. It is specified for applications 45468, 45992, 51590, 57142, 57144 and old style 57138 and 57140 prior to 6/95, so it supports those particular setups. For new style 57138 and 57140 after 6/95, Amana Tool specifies Ultra-Glide 47737 instead, which distinguishes older assemblies from later designs. Bearings that are described as frozen, meaning they do not rotate freely, are intended to be replaced, so this part provides the correct dimensional match for those listed tools.
The double steel-shielded design helps inhibit dust from entering the bearing, which supports smoother rotation when cutting MDF, plywood, or solid wood that generate fine debris. Extra rigidity from the steel shields supports stable tracking against templates or work edges, which matters when trying to hold a consistent profile across multiple passes. The special high-performance, high-temperature grease supports maximum life by maintaining a lubricating film when the bearing warms during extended runs. The note that solvents should not be used to clean ball bearings reflects the way those solvents can deteriorate the special grease, which would shorten effective service life. When a bearing is described as frozen and does not rotate freely, replacement with this properly sized unit restores guided cutting on bits specified for Amana Tool 47738.
The 47738 industrial steel ball bearing guide has a 1-1/8 inch overall diameter, a 1/2 inch inner diameter, and a 5/16 inch height, so it matches tools built around those measurements.
This Amana Tool ball bearing guide is specified for applications 45468, 45992, 51590, 57142, 57144 and old style 57138 and 57140 prior to 6/95, aligning it with those router bit setups.
The double steel-shielded bearing adds rigidity and inhibits dust entry, which supports smoother rotation and more stable guiding in dusty woodworking environments.
The industrial steel ball bearing guide uses a special high-performance, high-temperature grease, which supports maximum life during extended routing or higher friction use.
This bearing relies on a special high-temperature grease, and solvents would deteriorate that grease, reducing lubrication and shortening practical service life.
The 47738 bearing is described as needing replacement when it is frozen and does not rotate freely, restoring proper guidance on the specified Amana Tool bits.
The Amana Tool 47738 industrial steel ball bearing guide pairs directly with router bit applications 45468, 45992, 51590, 57142, 57144 and old style 57138 and 57140 prior to 6/95, so shops can match the exact bearing dimension set. With a 1-1/8 inch overall diameter, 1/2 inch inner diameter, and 5/16 inch height, it restores factory geometry on bits designed for this guide. Double steel shields, industrial quality precision ball bearings, and high-temperature grease support smooth rotation and long life in woodworking environments, making this a focused replacement choice for those specified Amana Tool assemblies.