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NTN Tapered Roller Bearing Assembly: 33109, 45 mm Bore, 80 mm OD, 26 mm Cone Wd - Tapered Roller Bearing Assemblies
NTNTapered Roller Bearing Assemblies

NTN Tapered Roller Bearing Assembly: 33109, 45 mm Bore, 80 mm OD, 26 mm Cone Wd

The NTN Tapered Roller Bearing Assembly, model 33109 (MPN 4T-33109), is a metric tapered roller bearing assembly with a 45 mm bore, 80 mm OD, 26 mm cone width, and 20.5 mm cup width. It features a pressed steel cage…

SKU 3G-OTH-107037

Also listed as: 4T33109 · 4T 33109

Brand
NTN
Item
Tapered Roller Bearing Assembly: 33109, 45 mm Bore, 80 mm OD, 26 mm Cone Wd
Category
Tapered Roller Bearing Assemblies
Available to Order
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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

Technical Specifications

NTN
Manufacturer Part Number
4T-33109
Bore
45 mm
OD
80 mm
Cup Wd
20.5 mm
Cone Wd
26 mm
Cage Material
Pressed Steel
Ring Material
Carbon Steel
System of Measurement
Metric
Bearing Industry Number
33109

Technical Documents

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NTN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The NTN Tapered Roller Bearing Assembly, model 33109 (MPN 4T-33109), is a metric tapered roller bearing assembly with a 45 mm bore, 80 mm OD, 26 mm cone width, and 20.5 mm cup width. It features a pressed steel cage and carbon steel rings.

Frequently Asked Questions

What is the NTN 33109 tapered roller bearing used for?

The NTN 33109 tapered roller bearing assembly handles combined radial and axial loads in industrial machinery, gearboxes, and conveyor systems. Its 45 mm bore and 80 mm OD suit moderate-speed applications requiring precise shaft alignment and high load capacity.

What are the specifications of the NTN 33109 bearing?

The NTN 33109 (MPN 4T-33109) is a metric tapered roller bearing assembly with a 45 mm bore, 80 mm OD, 26 mm cone width, and 20.5 mm cup width. It has carbon steel rings and a pressed steel cage, rated for combined load applications.

Where to buy the NTN 33109 bearing worldwide?

3G Electric supplies the NTN 33109 tapered roller bearing assembly worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this metric bearing.

How to install an NTN tapered roller bearing?

Install the NTN 33109 by pressing the cone onto the shaft and the cup into the housing using proper fitting tools. Apply a thin oil film to the bore and OD. Adjust axial clearance per manufacturer guidelines to prevent preload or excessive end play.

Used in

Common applications for NTN
Automotive driveline — NTN tapered roller bearing assemblies (e.g., 4T-30303) for differential and wheel hub applications
Conveyor systems — NTN 4-bolt flange bearings (e.g., UCF211-200D1) for idler rollers and take-up units
Machine tool spindles — NTN duplex angular contact bearings (e.g., ML7006CVDUJ74S) for high-speed precision rotation
Industrial fans — NTN high-temperature radial ball bearings (e.g., 6004FT150) for oven and dryer exhaust systems
Pump drives — NTN radial ball bearings (e.g., 6008LLBC3/L627) for electric motor and pump shaft support
Agricultural equipment — NTN tapered roller bearing cones (e.g., LM29748L) for gearbox and PTO shaft assemblies

NTN Products

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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
NTN Tapered Roller Bearing Assembly: 33110, 50 mm Bore, 85 mm OD, 26 mm Cone Wd, 20 mm Cup Wd (MPN 4T-33110)
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NTN Tapered Roller Bearing Assembly: 33110, 50 mm Bore, 85 mm OD, 26 mm Cone Wd, 20 mm Cup Wd (MPN 4T-33110)
Metric tapered roller bearing assembly with 55 mm bore, 95 mm OD, 30 mm cone width, and 23 mm cup width. Constructed with carbon steel rings and a pressed steel cage. Used in applications requiring combined radial and axial load support, such as gearboxes, transmissions, and conveyor systems
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Metric tapered roller bearing assembly with 55 mm bore, 95 mm OD, 30 mm cone width, and 23 mm cup width. Constructed with carbon steel rings and a pressed steel cage. Used in applications requiring combined radial and axial load support, such as gearboxes, transmissions, and conveyor systems
NTN Tapered Roller Bearing Assembly: 33113, 65 mm Bore, 110 mm OD, 34 mm Cone Wd, 26.5 mm Cup Wd (MPN 4T-33113)
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NTN Tapered Roller Bearing Assembly: 33113, 65 mm Bore, 110 mm OD, 34 mm Cone Wd, 26.5 mm Cup Wd (MPN 4T-33113)
NTN Tapered Roller Bearing Assembly: 33006, 30 mm Bore, 55 mm OD, 20 mm Cone Wd, 16 mm Cup Wd (MPN 4T-33006)
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NTN Tapered Roller Bearing Assembly: 33006, 30 mm Bore, 55 mm OD, 20 mm Cone Wd, 16 mm Cup Wd (MPN 4T-33006)
NTN Tapered Roller Bearing Assembly: 33209, 45 mm Bore, 85 mm OD, 32 mm Cone Wd, 25 mm Cup Wd (MPN 4T-33209)
NTN
NTN Tapered Roller Bearing Assembly: 33209, 45 mm Bore, 85 mm OD, 32 mm Cone Wd, 25 mm Cup Wd (MPN 4T-33209)
NTN Tapered Roller Bearing Assembly: 33012, 60 mm Bore, 95 mm OD, 27 mm Cone Wd, 21 mm Cup Wd (MPN 4T-33012)
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NTN Tapered Roller Bearing Assembly: 33012, 60 mm Bore, 95 mm OD, 27 mm Cone Wd, 21 mm Cup Wd (MPN 4T-33012)

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