NTN Tapered Roller Bearing Assembly: 30304, 20 mm Bore, 52 mm OD, 16 mm Cone Wd
The NTN Tapered Roller Bearing Assembly, model 30304, is a metric tapered roller bearing assembly with a 20 mm bore, 52 mm OD, 16 mm cone width, and 13 mm cup width. It features a pressed steel cage and carbon steel…
SKU 3G-OTH-111758
Need installation or engineering help?
Ask a question
Product Description
The NTN Tapered Roller Bearing Assembly, model 30304, is a metric tapered roller bearing assembly with a 20 mm bore, 52 mm OD, 16 mm cone width, and 13 mm cup width. It features a pressed steel cage and carbon steel rings, and is not prelubricated. This bearing assembly is identified by the bearing industry number 30304 and manufacturer part number 30304.
Frequently Asked Questions
What is the NTN 30304 tapered roller bearing used for?
The NTN 30304 tapered roller bearing assembly handles combined radial and axial loads in industrial machinery, gearboxes, and conveyor systems. Its 20 mm bore and 52 mm OD suit moderate-speed applications requiring precise shaft alignment and high load capacity.
What are the specifications of the NTN 30304 bearing?
The NTN 30304 is a metric tapered roller bearing assembly with a 20 mm bore, 52 mm OD, 16 mm cone width, and 13 mm cup width. It has carbon steel rings, a pressed steel cage, and is not prelubricated. The bearing industry number is 30304.
Where to buy the NTN 30304 bearing worldwide?
3G Electric supplies the NTN 30304 tapered roller bearing assembly to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this metric bearing with a 20 mm bore and 52 mm OD.
How to install an NTN 30304 tapered roller bearing?
Clean the shaft and housing thoroughly before installation. Use a press or fitting tool to apply force evenly on the bearing ring being mounted—never through the rolling elements. Apply a light oil film to the raceways. Verify shaft and housing fits per NTN recommendations for the 20 mm bore and 52 mm OD.
Used in
Common applications for NTNNTN Products
3G Electric supplies NTN tapered roller bearing assemblies. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.












