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NTN Cylindrical Roller Bearing: 309, 45 mm Bore, 100 mm OD, 25 mm Overall Wd - High-Clearance Cylindrical Roller Bearings
NTNHigh-Clearance Cylindrical Roller Bearings

NTN Cylindrical Roller Bearing: 309, 45 mm Bore, 100 mm OD, 25 mm Overall Wd

The NTN Cylindrical Roller Bearing: 309 is a high-clearance cylindrical roller bearing from NTN, featuring an NJ design with a 45 mm bore, 100 mm OD, and 25 mm overall width. It is constructed with alloy steel rings…

SKU 3G-OTH-102220

Brand
NTN
Item
Cylindrical Roller Bearing: 309, 45 mm Bore, 100 mm OD, 25 mm Overall Wd
Category
High-Clearance Cylindrical Roller Bearings
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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
NJ309EG1C3
Type
Cylindrical, Brass
Bore
45 mm
OD
100 mm
Overall Wd
25 mm
Ring Material
Alloy Steel
System of Measurement
Metric
Bearing Industry Number
309
Cylindrical Bearing Design
NJ

Technical Documents

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

Product Description

The NTN Cylindrical Roller Bearing: 309 is a high-clearance cylindrical roller bearing from NTN, featuring an NJ design with a 45 mm bore, 100 mm OD, and 25 mm overall width. It is constructed with alloy steel rings and a brass cage, identified by manufacturer part number NJ309EG1C3. This metric bearing is designed for applications requiring high radial load capacity and accommodating axial displacement.

Frequently Asked Questions

What is the NTN Cylindrical Roller Bearing 309 used for?

The NTN Cylindrical Roller Bearing 309 (NJ309EG1C3) is used in industrial machinery requiring high radial load capacity and accommodation of axial displacement. Common applications include gearboxes, pumps, compressors, and electric motors. Its NJ design allows for shaft expansion, making it suitable for equipment with thermal growth.

What are the specifications of the NTN Cylindrical Roller Bearing 309?

The NTN Cylindrical Roller Bearing 309 has a 45 mm bore, 100 mm OD, and 25 mm overall width. It features alloy steel rings, a brass cage, and an NJ design. The manufacturer part number is NJ309EG1C3, and it is a metric bearing with industry number 309. It offers high-clearance for radial loads.

Where to buy the NTN Cylindrical Roller Bearing 309 worldwide?

You can source the NTN Cylindrical Roller Bearing 309 (NJ309EG1C3) worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply genuine NTN bearings for industrial applications.

How to select the correct NTN Cylindrical Roller Bearing 309?

To select the correct NTN Cylindrical Roller Bearing 309, verify the bore diameter (45 mm), outer diameter (100 mm), and width (25 mm) match your shaft and housing. Confirm the NJ design accommodates axial displacement. Check the cage material (brass) and clearance class (C3). Always reference the part number NJ309EG1C3 for accuracy.

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 high-clearance cylindrical roller bearings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Cross-referenced by specification & description
NTN Cylindrical Roller Bearing: 308, 40 mm Bore, 90 mm OD, 23 mm Overall Wd, Cylindrical, Brass, 1 (MPN NJ308EG1C3)
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NTN Cylindrical Roller Bearing: 308, 40 mm Bore, 90 mm OD, 23 mm Overall Wd, Cylindrical, Brass, 1 (MPN NJ308EG1C3)
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NTN Cylindrical Roller Bearing: 306, 30 mm Bore, 72 mm OD, 19 mm Overall Wd, Cylindrical, Brass (MPN NJ306EG1C3)
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NTN Cylindrical Roller Bearing: 304, 20 mm Bore, 52 mm OD, 15 mm Overall Wd, Cylindrical, Brass (MPN NJ304EAG1C3)
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NTN Cylindrical Roller Bearing: 211, 55 mm Bore, 100 mm OD, 21 mm Overall Wd, Cylindrical, Brass (MPN NJ211EG1C3)
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NTN Cylindrical Roller Bearing: 208, 40 mm Bore, 80 mm OD, 18 mm Overall Wd, Cylindrical, Brass (MPN NJ208EG1C3)
NTN Cylindrical Roller Bearing: 215, 75 mm Bore, 130 mm OD, 25 mm Overall Wd, Cylindrical, Brass (MPN NJ215EG1C3)
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