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NTN 4T-30306D Tapered Roller Bearing Assembly, 30 mm Bore, 72 mm OD - Tapered Roller Bearing Assemblies
NTNTapered Roller Bearing Assemblies

NTN 4T-30306D Tapered Roller Bearing Assembly, 30 mm Bore, 72 mm OD

The NTN Tapered Roller Bearing Assembly, model 31306 (MPN 4T-30306D), is a metric tapered roller bearing assembly with a 30 mm bore, 72 mm OD, 19 mm cone width, and 14 mm cup width. It features a pressed steel cage…

SKU 3G-OTH-102543

Also listed as: 4T30306D · 4T 30306D

Brand
NTN
Item
4T-30306D Tapered Roller Bearing Assembly, 30 mm Bore, 72 mm OD
Part Number
4T-30306D
Category
Tapered Roller Bearing Assemblies
Available to Order
Also known as:4T-30306DNTN
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

NTN
Manufacturer Part Number
4T-30306D
Bore
30 mm
OD
72 mm
Cup Wd
14 mm
Cone Wd
19 mm
Cage Material
Pressed Steel
Ring Material
Carbon Steel
System of Measurement
Metric
Bearing Industry Number
31306

Technical Documents

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

Product Description

The NTN Tapered Roller Bearing Assembly, model 31306 (MPN 4T-30306D), is a metric tapered roller bearing assembly with a 30 mm bore, 72 mm OD, 19 mm cone width, and 14 mm cup width. It features a pressed steel cage and carbon steel rings.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the NTN 31306 tapered roller bearing used for?

The NTN 31306 tapered roller bearing assembly handles combined radial and axial loads in industrial machinery, gearboxes, and conveyor systems. Its 30 mm bore and 72 mm OD suit moderate-speed applications requiring precise shaft alignment and high load capacity.

What are the specifications of the NTN 4T-30306D bearing?

The NTN 4T-30306D is a metric tapered roller bearing assembly with a 30 mm bore, 72 mm OD, 19 mm cone width, and 14 mm cup width. It has carbon steel rings and a pressed steel cage, rated as bearing industry number 31306.

Where to buy the NTN 31306 bearing worldwide?

3G Electric supplies the NTN 31306 tapered roller bearing assembly worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this metric bearing with a 30 mm bore and 72 mm OD.

How to select the correct NTN tapered roller bearing for an application?

Select an NTN tapered roller bearing by matching bore size, OD, and width to your shaft and housing dimensions. Confirm load ratings and speed limits from the manufacturer's catalog. For the 31306, verify the 30 mm bore and 72 mm OD fit your assembly.

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
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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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