« Back to Dictionary Index

A bearing separator is a specialized tool designed to facilitate the removal of bearings, gears, or other tightly fitted components when a conventional bearing puller cannot be used.


  1. Two-Piece Design: Bearing separators typically consist of two halves that can be bolted together around the component to be removed. This design allows them to fit into tight spaces and around components that are flush against surfaces.
  2. Tapered Edges: The edges of the bearing separator are tapered, allowing them to slide under the bearing or gear and provide a secure grip without damaging the component or the shaft.
  3. Durable Construction: Made from hardened steel or other durable materials, bearing separators are built to withstand the high forces required to separate tightly fitted components.


  1. Removing Double Bearings: Bearing separators are particularly useful for removing double bearings, where space constraints or design features make it difficult to use conventional pullers.
  2. Separating Close-Fitting Gears: When gears are tightly fitted onto shafts or other components, bearing separators can be used to get a secure grip and apply the necessary force to separate them without causing damage.
  3. Working in Confined Spaces: In situations where there is limited access around the component to be removed, the slim design of a bearing separator allows it to fit into spaces that conventional pullers cannot reach.
  4. Preventing Damage: By providing a uniform grip around the component, bearing separators help prevent damage to the bearing, gear, or shaft during the removal process. This is especially important in precision applications where maintaining the integrity of the components is critical.

How to Use a Bearing Separator:

  1. Position the Separator: Place the two halves of the bearing separator around the component to be removed, ensuring the tapered edges are securely positioned under the bearing or gear.
  2. Tighten the Bolts: Tighten the bolts on the bearing separator to clamp the two halves together, providing a secure grip on the component.
  3. Attach a Puller: In some cases, you may attach a conventional puller to the bearing separator, using the separator as a base to apply pulling force. Alternatively, the separator itself may have threaded holes for attaching a forcing screw.
  4. Apply Force: Use the puller or forcing screw to apply a steady, even force, gradually separating the bearing or gear from the shaft.

A bearing separator is a versatile and essential tool for mechanics and engineers, designed to remove double bearings, close-fitting gears, and other tightly fitted components when conventional pullers are not suitable. Its two-piece design, tapered edges, and durable construction allow it to work in confined spaces and prevent damage to the components being removed.

« Back to Dictionary Index