Key Features
Clean Edge Guidance The Festool KLS-D 15,8-OFK Ball Bearing Guide gives compatible router cutters a smooth rolling contact point, which helps follow edges accurately and reduces scuffing on the workpiece. Steel Bearing Build This replacement guide bearing uses a precise steel ball bearing design for long service life in routing work where a worn guide can throw off the cut. Clamping Screw Included The integrated clamping screw makes this router accessory ready to install on the listed Festool cutters without hunting down extra hardware.
Overview
The Festool KLS-D 15,8-OFK Ball Bearing Guide, model number 490249, is a replacement guide bearing for specific Festool router cutters used with the OFK 500 system. This is a ball bearing guide designed for edge-following routing applications. If your original guide bearing is worn, rough, or damaged, this is the part that brings the cutter back to proper tracking so the bit can ride the edge the way it was meant to.
What matters here is not just that it is a replacement part, but that it is the correct replacement part for a defined list of cutters. A guide bearing controls how the cutter references the workpiece edge. When the bearing rolls smoothly and stays true, you get cleaner trimming and more consistent profiles. When it wears out, you start fighting drag, heat, and inconsistent results. That is why the Festool KLS-D 15,8-OFK Ball Bearing Guide matters more than its size suggests.
Festool lists this bearing guide for cutters 490090, 490091, 490092, 490093, 490094, 490095, 490096, 491533, 578376, 578377, and 578378. That compatibility list is the real buying checkpoint. If you are servicing one of those cutters, this is the matching part. If you are not, do not guess based on appearance alone. Bearings and guide dimensions need to match the cutter exactly if you want the cut profile and edge reference to stay correct.
The bearing itself is described as a precise steel ball bearing, and the included clamping screw simplifies the replacement. That means you are not just getting a generic bearing. You are getting the guide assembly intended for these Festool routing accessories, built to install directly and restore the cutter to working condition. For guys who use their edge router regularly, that saves time compared to trying to source a lookalike part and hoping the fit is right.
In practical use, this kind of part is most important for trim work, laminate work, and edge finishing where the cutter is riding the material constantly. A smooth rolling guide helps reduce marking on finished edges and keeps the router cutter tracking the line instead of dragging. On delicate surfaces or finish material, that makes a real difference.
This Festool router accessory is best suited for woodworkers, cabinet installers, finish carpenters, and repair users already running the compatible Festool cutter lineup. It is not a broad universal router part. It is a specific maintenance and replacement item for keeping compatible Festool edge-routing cutters working the way they should. If you have one of the listed cutters, buying the correct bearing guide is the right move. If not, compatibility is everything here.
Restore Smooth Edge Routing
A guide bearing is a small part, but it has a direct effect on cut quality. Replacing a worn bearing helps the cutter roll along the edge instead of dragging, which is what you want for controlled trimming and cleaner finished work.
- Ball bearing guide for compatible Festool router cutters
- Includes clamping screw for installation
- Outside diameter listed as 22 mm
- Steel construction for durability in repeated routing use
Key Specifications
| Bearing Type | Ball Bearing |
|---|---|
| Outside Diameter | 22 mm |
| Material | Alloy Steel |
| Item Thickness | 1.6 cm |
| Dimensions | 0.98 x 0.63 x 0.63 in |
| Weight | 0.01 kg |
| Unit Count | 1 |
| Compatible Lubricant | Grease |
Compatibility
Compatible Cutter Models Fits Festool cutters 490090, 490091, 490092, 490093, 490094, 490095, 490096, 491533, 578376, 578377, and 578378. Router System Use Listed by Festool as a ball bearing guide for OFK 500 routing applications.
Built For
Woodworking Cabinet Installation Finish Carpentry Edge Trimming Laminate Work Router Cutter Maintenance
Pro Tip
If your edge trim cut starts feeling rough or begins leaving marks on finished material, check the guide bearing before blaming the cutter. On trim and laminate work, a worn bearing can be the real problem.
Tool Nut’s Take
Tool Nut’s Take
Festool KLS-D 15,8-OFK Ball Bearing Guide Keeps the Cutter Honest
This is the kind of small replacement part that makes a big difference when you need your edge-routing cutter to track cleanly again.
- Who it’s for: Festool users servicing compatible OFK 500 cutters for trim, laminate, and edge-finishing work.
- Why it stands out: It is a direct-fit Festool guide bearing with an included clamping screw, and the compatibility list is clearly defined instead of vague.
- Worth knowing: This is a specific router accessory, not a universal bearing. Match your cutter number before you order.
Common Questions
- What type of part is this? This is a ball bearing guide for compatible Festool router cutters.
- Which cutters does it fit? Festool lists it for cutters 490090, 490091, 490092, 490093, 490094, 490095, 490096, 491533, 578376, 578377, and 578378.
- Is this for the OFK 500? Yes. Festool describes it as a replacement ball bearing guide for various OFK 500 cutters.
- What is the outside diameter? The outside diameter is listed as 22 mm.
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