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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

Also listed as: UCP178M · UCP 1 7 8M · UCP-1-7-8M

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
Available to Order
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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
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

Technical Documents

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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.

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 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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Cross-referenced by specification & description
Cast iron pillow block ball bearing with set screw locking for inch-system shafts. Bore 1 7/16 in, shaft height 1 55/64 in, mounting bolt size 1/2 in. Maximum speed 4,200 RPM. Suitable for supporting rotating shafts in conveyors, fans, and agricultural machinery
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Cast iron pillow block ball bearing with set screw locking for inch-system shafts. Bore 1 7/16 in, shaft height 1 55/64 in, mounting bolt size 1/2 in. Maximum speed 4,200 RPM. Suitable for supporting rotating shafts in conveyors, fans, and agricultural machinery
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NTN Pillow Block Bearing: 1 3/4 in Bore, Cast Iron, Set Screws, 2 1/8 in Shaft Ht, 3,500 RPM (MPN UCP-1.3/4M)
This NTN pillow block ball bearing features a cast iron housing with set screw locking for secure shaft mounting. Designed for inch-system applications, it has a 3/4 in bore, 1 19/64 in shaft height, and 5 in overall length. Suitable for supporting rotating shafts in conveyors, fans, and material handling equipment. Maximum speed 6,700 RPM; mounting bolt size M10
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This NTN pillow block ball bearing features a cast iron housing with set screw locking for secure shaft mounting. Designed for inch-system applications, it has a 3/4 in bore, 1 19/64 in shaft height, and 5 in overall length. Suitable for supporting rotating shafts in conveyors, fans, and material handling equipment. Maximum speed 6,700 RPM; mounting bolt size M10
Cast iron pillow block ball bearing with set screw locking for 7/8 in shafts. Features a shaft height of 1 27/64 in, overall length of 5.5 in, and maximum speed of 5,900 RPM. Mounting bolt size M10. Suitable for industrial equipment such as conveyors, fans, and material handling systems
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Cast iron pillow block ball bearing with set screw locking for 7/8 in shafts. Features a shaft height of 1 27/64 in, overall length of 5.5 in, and maximum speed of 5,900 RPM. Mounting bolt size M10. Suitable for industrial equipment such as conveyors, fans, and material handling systems

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Cast iron pillow block ball bearing with set screw locking for 30 mm shaft. Shaft height 42.8 mm, overall length 165.1 mm, mounting bolt size M12. Maximum speed 4,850 RPM. Suitable for moderate-load applications such as conveyors, fans, and pumps
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