NTN Tapered Roller Bearing Cone: 15578, 1 in Bore, 1.28 in OD, 0.687 in Cone Wd
The NTN Tapered Roller Bearing Cone 15578 (SKU 805ZT8, MPN 4T-15578) is an inch-system tapered roller bearing cone with a tapered bore, a 1 in bore, a 1.28 in OD, a 0.687 in cone width, and a 1.81 in inside diameter…
SKU 3G-OTH-118327
Need installation or engineering help?
Ask a question
Product Description
The NTN Tapered Roller Bearing Cone 15578 (SKU 805ZT8, MPN 4T-15578) is an inch-system tapered roller bearing cone with a tapered bore, a 1 in bore, a 1.28 in OD, a 0.687 in cone width, and a 1.81 in inside diameter. It features a chrome steel cage and carbon steel ring, and is compatible with cup manufacturer part number 15520.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the NTN 15578 tapered roller bearing cone used for?
The NTN 15578 tapered roller bearing cone is used in industrial machinery and automotive applications that require support for combined radial and axial loads. It is commonly found in gearboxes, conveyor systems, and wheel hubs where precise alignment and high load capacity are critical.
What are the specifications of the NTN 15578 tapered roller bearing cone?
The NTN 15578 tapered roller bearing cone has a 1 in bore, 1.28 in OD, 0.687 in cone width, and 1.81 in inside diameter. It uses a chrome steel cage and carbon steel ring, is inch-system, and is compatible with cup part number 15520. The manufacturer part number is 4T-15578.
Where to buy the NTN 15578 tapered roller bearing cone worldwide?
You can source the NTN 15578 tapered roller bearing cone worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact them for availability and lead time.
How to select the correct NTN tapered roller bearing cone for an application?
To select the correct NTN tapered roller bearing cone, match the bore size, OD, and width to your shaft and housing dimensions. Verify the system of measurement (inch) and confirm compatibility with the cup part number 15520. Consider load ratings and operating conditions for optimal performance.
Used in
Common applications for NTNNTN Products
3G Electric supplies NTN tapered roller bearing cones. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.












