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Silver cylindrical roller bearing with tapered bore and brass cage

ZIBOO

ZIBOO NTN 21316 K Spherical Roller Bearing 80x170x39mm electrician tool

SKU CH-HFSY-JT92K

Spherical roller bearing measuring 80x170x39 mm for electrician tool applications

  • Precise fit with 80x170x39mm dimensions
  • High load capacity from spherical roller design
  • Tapered bore allows adapter sleeve mounting
  • Durable NTN 21316 K construction for reliability

NTN 21316 K Spherical Roller Bearing

The ZIBOO NTN 21316 K is a spherical roller bearing designed for electricians who need a reliable replacement component in motor or gearbox repairs. Its 80x170x39mm dimensions suit specific shaft and housing fits encountered in professional maintenance work.

Replaces worn 21316 series bearings

This bearing upgrades from a damaged or noisy original unit when the application calls for the 21316 K designation. The jump is worth it when the existing bearing shows excessive play, overheating or vibration that signals internal wear.

How it compares

Measured against everything we stock in Electrical Trade Tools & Kits, at today’s prices. Recalculated every night.

Price $80.99
Cheaper than about 60% of the 5,006 comparable items (median $95.99).

Specifications

Product
Brand nameZIBOO
Model nameNTN 21316 K

Questions about this item

What shaft diameter does the 80 mm bore of the NTN 21316 K bearing fit?

The 80 mm bore is designed for an 80 mm shaft; verify the shaft tolerance matches the bearing's specified fit class before mounting.

Which installation step is most often done incorrectly with the tapered bore on the NTN 21316 K?

Failing to measure radial internal clearance reduction while driving the bearing onto the adapter sleeve, which leads to excessive preload or loose fit.

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