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Gear Drives & Gearboxes

Bearings for the shafts that transmit power.

Gear drives are a key application focus for AOSN. Explore cylindrical roller and needle bearing arrangements for reducers, transmission shafts and compact drive systems.

Explore related bearings →Discuss your application →
Gear Drives & Gearboxes illustrative application scene

Typical applications

  • Input, intermediate and output shafts
  • Industrial reducers and geared drives
  • Compact transmission mechanisms

The application position and complete specification determine suitability and availability.

Operating conditions & bearing requirements

Gear forces

Gear geometry determines the combination of radial and axial forces acting on the shaft. Identify the locating bearing, direction of thrust and peak load before choosing the arrangement.

Thermal expansion

Operating temperature changes shaft length and fits. A non-locating position can accommodate displacement when the selected bearing design and mounting arrangement allow it.

Lubrication & cages

Oil supply, speed and temperature influence the bearing and cage specification. Confirm the full suffix, clearance and lubrication requirements rather than selecting by dimensions alone.

Our gearbox-bearing focus

Cylindrical roller bearing arrangements

For gearbox shafts, the flange arrangement affects axial location. Review the bearing design with the complete shaft assembly.

SeriesArrangement to reviewSelection focus
NU / NRadial support with relative axial displacement in either direction.Non-locating positions and shaft thermal expansion.
NJ / NFRadial support with axial location in one direction.Thrust direction, matching support and mounting details.
NUPRadial support with axial location in both directions.Locating positions; axial load capability needs confirmation.

Permissible axial loads depend on the exact bearing, speed, lubrication and operating conditions. Confirm cage material, suffix and internal clearance against the product specification.

Browse NU, NJ, NUP, N & NF →

Send us your gearbox bearing requirements.

Gear type, shaft layout, radial and axial loads, speed, temperature, lubricant and full bearing number.

Include quantity, destination country and required delivery date.

Request a quote →

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