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NTN Pillow Block Bearing: 2 1/4 in Bore, Cast Iron, Set Screws, 2 3/4 in Shaft Ht - Medium Duty Pillow Block Ball Bearings
NTNMedium Duty Pillow Block Ball Bearings

NTN Pillow Block Bearing: 2 1/4 in Bore, Cast Iron, Set Screws, 2 3/4 in Shaft Ht

The NTN UCPX-2.1/4M is a medium duty pillow block ball bearing with a 2 1/4 in bore, designed for inch-system applications. It features a cast iron housing, set screw locking, a 2 3/4 in shaft height, and a 9.5 in…

SKU 3G-OTH-105443

Brand
NTN
Item
Pillow Block Bearing: 2 1/4 in Bore, Cast Iron, Set Screws, 2 3/4 in Shaft Ht
Category
Medium Duty Pillow Block Ball Bearings
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Technical Specifications

NTN
Manufacturer Part Number
UCPX-2.1/4M
Type
Cast Iron, Set Screws
Overall Lg
9.5 in
Shaft Ht
2 3/4 in
Maximum Speed
2,500 RPM
Mounting Bolt Size
5/8 in
System of Measurement
Inch
View Full Spec Sheet

Technical Documents

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

Product Description

The NTN UCPX-2.1/4M is a medium duty pillow block ball bearing with a 2 1/4 in bore, designed for inch-system applications. It features a cast iron housing, set screw locking, a 2 3/4 in shaft height, and a 9.5 in overall length. This unit has a maximum speed of 2,500 RPM and accepts a 5/8 in mounting bolt.

Frequently Asked Questions

What is the NTN UCPX-2.1/4M pillow block bearing used for?

The NTN UCPX-2.1/4M is a medium duty pillow block ball bearing used to support rotating shafts in industrial machinery. It is suitable for conveyors, fans, and pumps where a 2 1/4 in bore and inch-system mounting are required. 3G Electric supplies this NTN unit for global applications.

What are the specifications of the NTN UCPX-2.1/4M pillow block bearing?

The NTN UCPX-2.1/4M has a 2 1/4 in bore, cast iron housing with set screw locking, a 2 3/4 in shaft height, and a 9.5 in overall length. It has a maximum speed of 2,500 RPM and accepts a 5/8 in mounting bolt. This is an inch-system unit.

Where to buy the NTN UCPX-2.1/4M pillow block bearing worldwide?

3G Electric supplies the NTN UCPX-2.1/4M pillow block bearing worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this medium duty unit with a 2 1/4 in bore and cast iron housing.

How to install the NTN UCPX-2.1/4M pillow block bearing?

Mount the NTN UCPX-2.1/4M on a flat, rigid surface using 5/8 in bolts. Align the shaft with the 2 3/4 in shaft height and tighten the set screws evenly to lock the bearing onto the shaft. Ensure the housing is level to prevent misalignment and premature wear.

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 medium duty pillow block ball bearings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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