Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
NTN Pillow Block Bearing: 25 mm Bore, Cast Iron, Set Screws, 36.5 mm Shaft Ht - General Purpose Pillow Block Ball Bearings
NTNGeneral Purpose Pillow Block Ball Bearings

NTN Pillow Block Bearing: 25 mm Bore, Cast Iron, Set Screws, 36.5 mm Shaft Ht

The NTN UCP-25 is a general purpose pillow block ball bearing with a 25 mm bore, featuring a cast iron housing and set screw locking. It has a maximum speed of 5,900 RPM, a shaft height of 36.5 mm, and an overall…

SKU 3G-OTH-106896

Brand
NTN
Item
Pillow Block Bearing: 25 mm Bore, Cast Iron, Set Screws, 36.5 mm Shaft Ht
Category
General Purpose Pillow Block Ball Bearings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

NTN
Manufacturer Part Number
UCP-25
Type
Cast Iron, Set Screws
Overall Lg
139.7 mm
Shaft Ht
36.5 mm
Maximum Speed
5,900 RPM
Mounting Bolt Size
M10
System of Measurement
Metric
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The NTN UCP-25 is a general purpose pillow block ball bearing with a 25 mm bore, featuring a cast iron housing and set screw locking. It has a maximum speed of 5,900 RPM, a shaft height of 36.5 mm, and an overall length of 139.7 mm, with a metric M10 mounting bolt size.

Frequently Asked Questions

What is the NTN UCP-25 pillow block bearing used for?

The NTN UCP-25 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 applications across manufacturing, material handling, and HVAC systems.

What are the specifications of the NTN UCP-25?

The NTN UCP-25 has a 25 mm bore, cast iron housing with set screw locking, a maximum speed of 5,900 RPM, shaft height of 36.5 mm, overall length of 139.7 mm, and M10 mounting bolt size. It is a metric general purpose pillow block ball bearing.

Where to buy the NTN UCP-25 worldwide?

3G Electric supplies the NTN UCP-25 pillow block bearing to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this metric general purpose bearing.

How to install the NTN UCP-25 pillow block bearing?

Mount the NTN UCP-25 on a flat, rigid surface using M10 bolts through the base slots. Align the shaft with the bore, tighten set screws evenly against the shaft, and verify free rotation. Lubricate per NTN recommendations and check alignment to prevent 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 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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
NTN Pillow Block Bearing: 30 mm Bore, Cast Iron, Set Screws, 42.8 mm Shaft Ht, 165.1 mm Overall Lg (MPN UCP-30). Key specifications — Brand: NTN; Maximum Speed: 4,850 RPM; Mounting Bolt Size: M12; System of Measurement: Metric.
NTN
NTN Pillow Block Bearing: 30 mm Bore, Cast Iron, Set Screws, 42.8 mm Shaft Ht, 165.1 mm Overall Lg (MPN UCP-30). Key specifications — Brand: NTN; Maximum Speed: 4,850 RPM; Mounting Bolt Size: M12; System of Measurement: Metric.
NTN Pillow Block Bearing: 35 mm Bore, Cast Iron, Set Screws, 47.5 mm Shaft Ht, 166.7 mm Overall Lg (MPN UCP-35). Key specifications — Brand: NTN; Maximum Speed: 4,200 RPM; Mounting Bolt Size: M12; System of Measurement: Metric.
NTN
NTN Pillow Block Bearing: 35 mm Bore, Cast Iron, Set Screws, 47.5 mm Shaft Ht, 166.7 mm Overall Lg (MPN UCP-35). Key specifications — Brand: NTN; Maximum Speed: 4,200 RPM; Mounting Bolt Size: M12; System of Measurement: Metric.
NTN Pillow Block Bearing: 20 mm Bore, Cast Iron, Set Screws, 33.3 mm Shaft Ht, 127 mm Overall Lg (MPN UCP-20). Key specifications — Brand: NTN; Mounting Bolt Size: M10; System of Measurement: Metric.
NTN
NTN Pillow Block Bearing: 20 mm Bore, Cast Iron, Set Screws, 33.3 mm Shaft Ht, 127 mm Overall Lg (MPN UCP-20). Key specifications — Brand: NTN; Mounting Bolt Size: M10; System of Measurement: Metric.
NTN Pillow Block Bearing: 3/4 in Bore, Cast Iron, Set Screws, 1 19/64 in Shaft Ht, 5 in Overall Lg (MPN UCP-3/4MFG1). Key specifications — Brand: NTN; Maximum Speed: 6,660 RPM; Mounting Bolt Size: M10; System of Measurement: Inch.
NTN
NTN Pillow Block Bearing: 3/4 in Bore, Cast Iron, Set Screws, 1 19/64 in Shaft Ht, 5 in Overall Lg (MPN UCP-3/4MFG1). Key specifications — Brand: NTN; Maximum Speed: 6,660 RPM; Mounting Bolt Size: M10; System of Measurement: Inch.
NTN Pillow Block Bearing: 1 in Bore, Cast Iron, Set Screws, 1 27/64 in Shaft Ht, 5.511 in Overall Lg (MPN UCP-1MFG1). Key specifications — Brand: NTN; Maximum Speed: 5,900 RPM; Mounting Bolt Size: M10; System of Measurement: Inch.
NTN
NTN Pillow Block Bearing: 1 in Bore, Cast Iron, Set Screws, 1 27/64 in Shaft Ht, 5.511 in Overall Lg (MPN UCP-1MFG1). Key specifications — Brand: NTN; Maximum Speed: 5,900 RPM; Mounting Bolt Size: M10; System of Measurement: Inch.
NTN Pillow Block Bearing: 1 3/4 in Bore, Cast Iron, Set Screws, 2 1/8 in Shaft Ht, 3,450 RPM (MPN UCP-1.3/4MFG1). Key specifications — Brand: NTN; Maximum Speed: 3,450 RPM; Mounting Bolt Size: 1/2 in; System of Measurement: Inch.
NTN
NTN Pillow Block Bearing: 1 3/4 in Bore, Cast Iron, Set Screws, 2 1/8 in Shaft Ht, 3,450 RPM (MPN UCP-1.3/4MFG1). Key specifications — Brand: NTN; Maximum Speed: 3,450 RPM; Mounting Bolt Size: 1/2 in; System of Measurement: Inch.

More from NTN

View all NTN parts →
NTN Pillow Block Bearing: 1 15/16 in Bore, Cast Iron, Eccentric Collar, 2 3/16 in Shaft Ht, Open (MPN UELPL210-115D1W3). Key specifications — Brand: NTN; Maximum Speed: 3,100 RPM; Mounting Bolt Size: 5/8 in; System of Measurement: Inch.
NTN
NTN Pillow Block Bearing: 1 15/16 in Bore, Cast Iron, Eccentric Collar, 2 3/16 in Shaft Ht, Open (MPN UELPL210-115D1W3). Key specifications — Brand: NTN; Maximum Speed: 3,100 RPM; Mounting Bolt Size: 5/8 in; System of Measurement: Inch.
NTN Pillow Block Bearing: 2 3/8 in Bore, Cast Iron, Eccentric Collar, 2 11/16 in Shaft Ht, 2,500 RPM (MPN UELPL-2.3/8M). Key specifications — Brand: NTN; Maximum Speed: 2,500 RPM; Mounting Bolt Size: 5/8 in; System of Measurement: Inch.
NTN
NTN Pillow Block Bearing: 2 3/8 in Bore, Cast Iron, Eccentric Collar, 2 11/16 in Shaft Ht, 2,500 RPM (MPN UELPL-2.3/8M). Key specifications — Brand: NTN; Maximum Speed: 2,500 RPM; Mounting Bolt Size: 5/8 in; System of Measurement: Inch.
NTN Pillow Block Bearing: 1 7/8 in Bore, Cast Iron, Eccentric Collar, 2 3/16 in Shaft Ht, 3,100 RPM (MPN UELPL-1.7/8M). Key specifications — Brand: NTN; Maximum Speed: 3,100 RPM; Mounting Bolt Size: 5/8 in; System of Measurement: Inch.
NTN
NTN Pillow Block Bearing: 1 7/8 in Bore, Cast Iron, Eccentric Collar, 2 3/16 in Shaft Ht, 3,100 RPM (MPN UELPL-1.7/8M). Key specifications — Brand: NTN; Maximum Speed: 3,100 RPM; Mounting Bolt Size: 5/8 in; System of Measurement: Inch.
NTN Pillow Block Bearing: 1 3/4 in Bore, Cast Iron, Set Screws, 2 1/8 in Shaft Ht, 3,500 RPM, Open (MPN UCP209-112D1). Key specifications — Brand: NTN; Maximum Speed: 3,500 RPM; Mounting Bolt Size: 1/2 in; System of Measurement: Inch.
NTN
NTN Pillow Block Bearing: 1 3/4 in Bore, Cast Iron, Set Screws, 2 1/8 in Shaft Ht, 3,500 RPM, Open (MPN UCP209-112D1). Key specifications — Brand: NTN; Maximum Speed: 3,500 RPM; Mounting Bolt Size: 1/2 in; System of Measurement: Inch.
NTN Pillow Block Bearing: 1 1/4 in Bore, Cast Iron, Set Screws, 1 9/16 in Shaft Ht, 5,900 RPM (MPN UCPL-1.1/4SM). Key specifications — Brand: NTN; Maximum Speed: 5,900 RPM; Mounting Bolt Size: 1/2 in; System of Measurement: Inch.
NTN
NTN Pillow Block Bearing: 1 1/4 in Bore, Cast Iron, Set Screws, 1 9/16 in Shaft Ht, 5,900 RPM (MPN UCPL-1.1/4SM). Key specifications — Brand: NTN; Maximum Speed: 5,900 RPM; Mounting Bolt Size: 1/2 in; System of Measurement: Inch.
NTN Pillow Block Bearing: 1 3/16 in Bore, Cast Iron, Eccentric Collar, 1 11/16 in Shaft Ht (MPN UELP-1.3/16M). Key specifications — Brand: NTN; Maximum Speed: 4,900 RPM; Mounting Bolt Size: 1/2 in; System of Measurement: Inch.
NTN
NTN Pillow Block Bearing: 1 3/16 in Bore, Cast Iron, Eccentric Collar, 1 11/16 in Shaft Ht (MPN UELP-1.3/16M). Key specifications — Brand: NTN; Maximum Speed: 4,900 RPM; Mounting Bolt Size: 1/2 in; System of Measurement: Inch.
NTN Pillow Block Bearing: 2 7/16 in Bore, Cast Iron, Set Screws, 2 47/64 in Shaft Ht, 2,500 RPM (MPN UCP212-207D1). Key specifications — Brand: NTN; Maximum Speed: 2,500 RPM; Mounting Bolt Size: 5/8 in; System of Measurement: Inch.
NTN
NTN Pillow Block Bearing: 2 7/16 in Bore, Cast Iron, Set Screws, 2 47/64 in Shaft Ht, 2,500 RPM (MPN UCP212-207D1). Key specifications — Brand: NTN; Maximum Speed: 2,500 RPM; Mounting Bolt Size: 5/8 in; System of Measurement: Inch.
NTN Pillow Block Bearing: 1 7/16 in Bore, Cast Iron, Eccentric Collar, 1 55/64 in Shaft Ht (MPN UELP-1.7/16M). Key specifications — Brand: NTN; Maximum Speed: 4,200 RPM; Mounting Bolt Size: 1/2 in; System of Measurement: Inch.
NTN
NTN Pillow Block Bearing: 1 7/16 in Bore, Cast Iron, Eccentric Collar, 1 55/64 in Shaft Ht (MPN UELP-1.7/16M). Key specifications — Brand: NTN; Maximum Speed: 4,200 RPM; Mounting Bolt Size: 1/2 in; System of Measurement: Inch.