Product Categories / Mounted Bearings / Pillow Block Bearing / UCLP204CE

UCLP204CE

Name: UCLP204CE Pillow Block Bearing
Brand: LILY

$9.91 /Each

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Overview
Part Number	UCLP204CE
Brand: LILY	Interchangeable With: AMI
Bearing Part Number	UC204
Housing Part Number	LP204N
Characteristics
System of Measurement	Metric
Bearing Type	Ball Bearing
Bearing Seal Type	Double Sealed
Inner Ring Type	Wide Inner Ring
Mounted Type	Pillow Block Bearing
Shaft Mount Type	Set Screw Locking
Product Series	UCLP200CE
Lubrication Fitting Tap	1/4-28 UNF
Dimensions
Bore Dia	20 mm
Bore Dia Tolerance	-0.0005" to 0"
Hole Width	12 mm
Hole Length	19 mm
Overall Height	49.1 mm
Pillow Height	13 mm
Center Height	31.8 mm
Whole Length	133 mm
Hole Ctr-to-Ctr Min	89 mm
Hole Ctr-to-Ctr Max	108 mm
Width of Inner Ring	32 mm
Mounting Bolt Size	M10
Material
Bearings Material	AISI 52100 Steel
Housing Material	Cast Iron
Performance
Temperature Range	-30° to 110 °C
Properties
RoHS	Compliant
REACH	Compliant
Lubrication	Required

UCLP204CE Pillow Block Bearing data sheet

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What does UCLP204CE mean?

UCLP204CE is an AMI metric cast iron low base pillow block unit with a wide inner ring insert and set screw locking, for a 20 mm shaft. The part number breaks down into 5 segments:

UC: Wide inner ring ball bearing insert, set screw locking, spherical outer ring. Insert part number is UC204

LP: Housing style: cast iron low base pillow block. Housing part number is LP204N

2: 200 series (normal duty)

04: Bore code: 04 × 5 = 20 mm

CE: Cover configuration: one open cover (the shaft passes through) and one closed end cover, for mounting at the end of a shaft

Note: For metric mounted bearings, the bore is usually the bore code × 5 mm. Codes 00, 01, 02 and 03 are the exceptions: 10, 12, 15 and 17 mm.

Frequently asked questions

What does UCLP204CE mean?

UCLP204CE is an AMI metric cast iron low base pillow block unit with a wide inner ring insert and set screw locking, for a 20 mm shaft. UC = wide inner ring ball bearing insert, set screw locking, spherical outer ring. Insert part number is UC204, LP = housing style: cast iron low base pillow block. Housing part number is LP204N, 2 = 200 series (normal duty), 04 = bore code: 04 × 5 = 20 mm, CE = cover configuration: one open cover (the shaft passes through) and one closed end cover, for mounting at the end of a shaft.

What is the bore size of UCLP204CE?

The bore of UCLP204CE is 20 mm.

Shaft retention is achieved through set screw locking in this pillow block bearing unit, which secures the shaft reliably against moderate loads and low-to-medium vibration — provided the shaft is of standard ground finish and the screws are correctly torqued — without damaging the shaft surface.

Two M10 bolts fasten the mounted bearing unit to the mounting surface, providing a secure and stable foundation that suits both new installations and direct replacement applications. M10 represents a mid-range metric fastener, widely used across standard industrial pillow blocks where moderate radial loads and everyday operating conditions are the norm.

Why does this bearing use Set Screw Locking to secure the shaft?

Set screw locking works by tightening one or two hardened screws directly against the shaft surface, which makes it well suited to applications where shaft positioning is fixed and loads are moderate. Its main advantage over other shaft locking methods is simplicity and low cost, which matters most when quick installation and minimal tooling are the priority.

How does the M10 affect installation and compatibility?

The bolt size directly determines whether the pillow block bearing can be mounted onto an existing frame or structure without modification. An M10 bolt corresponds to a mid-range hole pattern widely used in standard metric pillow blocks across a broad range of industrial applications, so when replacing an existing unit, confirming this dimension ensures a drop-in fit. Mismatched bolt sizes may require redrilling the mounting surface or sourcing an adapter plate, adding time and cost to the installation.