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NTN Pillow Block Bearing: 1 7/8 in Bore, Cast Iron, Set Screws, 2 1/4 in Shaft Ht - General Purpose Pillow Block Ball Bearings
NTNGeneral Purpose Pillow Block Ball Bearings

NTN Pillow Block Bearing: 1 7/8 in Bore, Cast Iron, Set Screws, 2 1/4 in Shaft Ht

The NTN UCP-1.7/8M is a general purpose pillow block ball bearing with a 1 7/8 in bore, constructed from cast iron and featuring set screw locking. This inch-system unit has a maximum speed of 3,100 RPM, a shaft…

SKU 3G-OTH-113119

Brand
NTN
Item
Pillow Block Bearing: 1 7/8 in Bore, Cast Iron, Set Screws, 2 1/4 in Shaft Ht
Category
General Purpose Pillow Block Ball Bearings
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Technical Specifications

NTN
Manufacturer Part Number
UCP-1.7/8M
Type
Cast Iron, Set Screws
Shaft Ht
2 1/4 in
Overall Ht
4.5 in
Maximum Speed
3,100 RPM
Mounting Bolt Size
5/8 in
System of Measurement
Inch
View Full Spec Sheet

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

Product Description

The NTN UCP-1.7/8M is a general purpose pillow block ball bearing with a 1 7/8 in bore, constructed from cast iron and featuring set screw locking. This inch-system unit has a maximum speed of 3,100 RPM, a shaft height of 2 1/4 in, an overall height of 4.5 in, and accepts a 5/8 in mounting bolt.

Frequently Asked Questions

What is the NTN UCP-1.7/8M pillow block bearing used for?

The NTN UCP-1.7/8M is a general purpose pillow block ball bearing used to support rotating shafts in industrial machinery such as conveyors, fans, and pumps. Its cast iron housing and set screw locking provide reliable shaft retention in moderate-load, low-to-medium-speed applications.

What are the specifications of the NTN UCP-1.7/8M pillow block bearing?

The NTN UCP-1.7/8M has a 1 7/8 in bore, cast iron housing with set screw locking, a shaft height of 2 1/4 in, overall height of 4.5 in, maximum speed of 3,100 RPM, and accepts a 5/8 in mounting bolt. It uses inch-system measurements.

Where to buy the NTN UCP-1.7/8M pillow block bearing worldwide?

3G Electric supplies the NTN UCP-1.7/8M pillow block bearing worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time.

How to install the NTN UCP-1.7/8M pillow block bearing?

To install the NTN UCP-1.7/8M, mount the bearing on a flat surface using 5/8 in bolts through the base slots. Align the shaft with the bore, tighten the set screws evenly against the shaft, and verify free rotation. Follow NTN's generic installation guidelines for proper preload and lubrication.

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 general purpose 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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