NTN Tapered Roller Bearing Assembly: 25877/25821, 1 3/8 in Bore, 2 7/8 in OD
The NTN Tapered Roller Bearing Assembly, model 25877/25821 (MPN 4T-25877/25821), is an inch-system bearing with a 1 3/8 in bore, 2 7/8 in OD, and 0.968 in cone width. It features a carbon steel ring and a pressed…
SKU 3G-OTH-107935
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Product Description
The NTN Tapered Roller Bearing Assembly, model 25877/25821 (MPN 4T-25877/25821), is an inch-system bearing with a 1 3/8 in bore, 2 7/8 in OD, and 0.968 in cone width. It features a carbon steel ring and a pressed steel cage, as specified by the manufacturer.
Frequently Asked Questions
What is the NTN 25877/25821 tapered roller bearing used for?
The NTN 25877/25821 tapered roller bearing assembly is designed to support combined radial and axial loads in industrial machinery, automotive drivetrains, and heavy equipment. Its inch-system dimensions (1 3/8 in bore, 2 7/8 in OD) make it suitable for applications requiring precise load distribution and durability.
What are the specifications of the NTN 4T-25877/25821 bearing?
The NTN 4T-25877/25821 is an inch-system tapered roller bearing assembly with a 1 3/8 in bore, 2 7/8 in OD, and 0.968 in cone width. It features a carbon steel ring and a pressed steel cage. The bearing industry number is 25877/25821, and it is manufactured by NTN.
Where to buy NTN 25877/25821 bearings worldwide?
You can source the NTN 25877/25821 tapered roller bearing assembly from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this NTN bearing.
How to select the correct NTN tapered roller bearing for an application?
To select the correct NTN tapered roller bearing, match the bore (1 3/8 in), OD (2 7/8 in), and cone width (0.968 in) to your shaft and housing dimensions. Verify the load rating and speed limits from NTN's catalog. The pressed steel cage and carbon steel ring suit moderate-speed, high-load industrial uses.
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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.












