NTN 31521 Tapered Roller Bearing Cup, 3 in OD, 0.937 in Width
The NTN Tapered Roller Bearing Cup (SKU 3G-OTH-101883) is an inch-system cup component for tapered roller bearing assemblies, featuring a 3-inch outside diameter, 0.937-inch cup width, and 0.937-inch overall width…
SKU 3G-OTH-101883
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 3G-OTH-101883) is an inch-system cup component for tapered roller bearing assemblies, featuring a 3-inch outside diameter, 0.937-inch cup width, and 0.937-inch overall width. Constructed from alloy steel, this NTN-manufactured cup (part number 31521) is designed for use with a compatible cone (manufacturer part number 31593).
Frequently Asked Questions
What is an NTN tapered roller bearing cup used for?
An NTN tapered roller bearing cup is the outer ring component of a tapered roller bearing assembly. It supports radial and axial loads in industrial machinery, gearboxes, and conveyor systems. Paired with a compatible cone (part 31593), it enables smooth rotation under heavy loads.
What are the specifications of the NTN 31521 tapered roller bearing cup?
The NTN 31521 tapered roller bearing cup has a 3 in outside diameter, 0.937 in cup width, and 0.937 in overall width. It is made of alloy steel, uses inch-system measurement, and is designed to pair with cone part number 31593.
Where to buy NTN 31521 tapered roller bearing cup worldwide?
3G Electric supplies the NTN 31521 tapered roller bearing cup worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this alloy steel cup to your facility. Contact us for pricing and lead time.
How to select the correct tapered roller bearing cup for an assembly?
Select a tapered roller bearing cup by matching its outside diameter, width, and system of measurement to your application. The NTN 31521 cup (3 in OD, 0.937 in width) requires a compatible cone such as NTN 31593. Verify load ratings and shaft fit before ordering.
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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.
