NTN Tapered Roller Bearing Cup: 45.618 mm Bore, 3 17/64 in OD, 0.75 in Cup Wd
The NTN Tapered Roller Bearing Cup (SKU 25521, MPN 25521) is an inch-system cup made from alloy steel with a 45.618 mm bore, a 3 17/64 in OD, a 0.75 in cup width, and a 19.05 mm overall width. It is compatible with…
SKU 3G-OTH-112640
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The NTN Tapered Roller Bearing Cup (SKU 25521, MPN 25521) is an inch-system cup made from alloy steel with a 45.618 mm bore, a 3 17/64 in OD, a 0.75 in cup width, and a 19.05 mm overall width. It is compatible with NTN cones 4T-25590, 4T-25581, 4T-25580, 4T-25577, 4T-25572, and 4T-25578.
Frequently Asked Questions
What is the NTN 25521 tapered roller bearing cup used for?
The NTN 25521 cup is used in inch-system tapered roller bearing assemblies to support combined radial and axial loads in industrial equipment such as gearboxes, conveyors, and pumps. It pairs with NTN cones like 4T-25580 to form a complete bearing set.
What are the specifications of the NTN 25521 bearing cup?
The NTN 25521 cup has a 45.618 mm bore, a 3 17/64 in OD, a 0.75 in cup width, and a 19.05 mm overall width. It is made of alloy steel and uses inch-system measurement. Compatible cones include NTN 4T-25590, 4T-25581, 4T-25580, 4T-25577, 4T-25572, and 4T-25578.
Where to buy NTN 25521 bearing cup worldwide?
3G Electric supplies the NTN 25521 tapered roller bearing cup to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this inch-system alloy steel cup.
How to select the correct cone for the NTN 25521 cup?
To select the correct cone for the NTN 25521 cup, use one of the compatible NTN cone part numbers: 4T-25590, 4T-25581, 4T-25580, 4T-25577, 4T-25572, or 4T-25578. Always verify the cup bore and cone OD match the application's shaft and housing dimensions.
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3G Electric supplies NTN tapered roller bearing cups. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
