NTN Tapered Roller Bearing Assembly: 31309, 45 mm Bore, 100 mm OD, 25 mm Cone Wd
The NTN Tapered Roller Bearing Assembly, model 31309 (SKU 3G-OTH-103441), is a metric tapered roller bearing assembly with a 45 mm bore, 100 mm OD, 25 mm cone width, and 18 mm cup width. It features a pressed steel…
SKU 3G-OTH-103441
Also listed as: 4T30309D · 4T 30309D
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The NTN Tapered Roller Bearing Assembly, model 31309 (SKU 3G-OTH-103441), is a metric tapered roller bearing assembly with a 45 mm bore, 100 mm OD, 25 mm cone width, and 18 mm cup width. It features a pressed steel cage and carbon steel rings, with manufacturer part number 4T-30309D and bearing industry number 31309.
Frequently Asked Questions
What is the NTN 31309 tapered roller bearing used for?
The NTN 31309 tapered roller bearing assembly handles combined radial and axial loads in industrial machinery, gearboxes, and automotive drivetrains. Its 45 mm bore and 100 mm OD suit moderate-speed applications requiring precise shaft alignment and high load capacity.
What are the specifications of the NTN 31309 bearing?
The NTN 31309 is a metric tapered roller bearing assembly with a 45 mm bore, 100 mm OD, 25 mm cone width, and 18 mm cup width. It has carbon steel rings, a pressed steel cage, and manufacturer part number 4T-30309D. The bearing industry number is 31309.
Where to buy the NTN 31309 bearing worldwide?
3G Electric supplies the NTN 31309 tapered roller bearing assembly worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this metric bearing.
How to select the correct NTN tapered roller bearing for an application?
To select the correct NTN tapered roller bearing, match the bore diameter (45 mm for the 31309), OD (100 mm), and width (25 mm cone, 18 mm cup) to your shaft and housing dimensions. Verify load ratings and speed limits from NTN's catalog. The pressed steel cage suits moderate speeds.
Used in
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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.
