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Koyo / JTEKT Bearings

Machine Tool Spindle Bearings

Genuine Koyo and JTEKT bearings for gearboxes, drive shafts and general machinery from Machinery Company. Quote one part number or the full bearing set for a gearbox, with per-unit and total order quantities listed line by line.

  • Old Koyo marks and current JTEKT references accepted
  • Single part numbers or complete gearbox bearing lists
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Machine Tool Spindle Bearings from Koyo and JTEKT on a workshop bench

Brands covered

Koyo · JTEKT

Sourced through authorized channels

Machine Tool Spindle Bearings in stock for quotation

View all Koyo / JTEKT bearings
Technician measuring a roller bearing with a caliper in a gearbox workshop

Selection Tips

Old Koyo marks and JTEKT references are both accepted.

Submit whichever reference is on your bill of materials or purchase records, so legacy and current part numbers end up on one list. For tight bearing positions, include the dimensions as well as the bore size.

Send Your Bearing List

  • Both references

    Give the old Koyo mark next to the JTEKT number when you have both. Each line gets checked against the gearbox model.

  • Tight positions

    For needle roller and other space-limited positions, add bore, outer diameter and width. Bore size alone is not enough.

  • Worn markings

    If a part number is incomplete, attach a clear photo of the markings and note what still needs confirming.

Target Industries

Where Machine Tool Spindle Bearings are used

Machinery Company supplies this category to gearbox builders, transmission repair workshops, machinery assemblers and planned replacement projects worldwide.

Industrial Gears & Shafting equipment using industrial bearings 01 Industrial Gears & Shafting Industrial gear sets, spindles and shaft systems need bearings that hold shafts in an accurate position under gear mesh forces. Cylindrical roller bearings carry… View Industrial Gears & Shafting bearings Machinery Assembly equipment using industrial bearings 02 Machinery Assembly Machinery assembly plants fit many bearing types into one product, from forklift masts and construction equipment to custom assemblies built to drawing. A single… View Machinery Assembly bearings Planned Maintenance & Replacement equipment using industrial bearings 03 Planned Maintenance & Replacement Planned maintenance and scheduled replacement projects replace bearings across many machines in one shutdown window. The bearing list usually mixes standard ball and roller… View Planned Maintenance & Replacement bearings

Request a Quote

Get an itemized quote for Machine Tool Spindle Bearings

Send your Koyo or JTEKT references, the gearbox or equipment model, and quantities per unit and per order. Machinery Company will quote every line, including the price, stock status and estimated lead time.