Bearing 45 × 73 × 20 mm

Bearings › 45 × 73 × 20 mm

A thrust bearing 45 mm bore, 73 mm outside diameter and 20 mm high is one of these: 51209 (ball thrust bearing), 81209 (cylindrical roller thrust bearing).

Thrust bearings (the width is the height)

• 51209ball thrust bearing, C 39 kN
• 81209cylindrical roller thrust bearing, C 83 kN

Same sizes, different bearings: look at the rolling elements and the number on the ring to tell them apart.

Find by size in Benchsmith

Same bore, other OD

• 45 × 65 × 1451109, 81109
• 45 × 85 × 2851309
• 45 × 100 × 3951409

Measured a worn bearing? Type the sizes into Benchsmith → Find → Bearing: it shows the closest sizes and how far off each one is.