MUCTB201

MUCTB201 Pillow Block Bearing
$42.26 /Each    info

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Overview

Part Number MUCTB201
Brand: LILY Brand: LILY Interchangeable With: AMI
Bearing Part Number MUC201
Housing Part Number MTB204

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 MUCTB200
Lubrication Fitting Tap 1/4-28 UNF

Dimensions

Bore Dia 12 mm
Bore Dia Tolerance -0.0005" to 0"
Bearing Width 31 mm
Hole Width 12.5 mm
Hole Length 3/8-16"
Overall Height 65 mm
Center Height 33.3 mm
Whole Length 73 mm
Hole Center to Center 50.8 mm
Hole Ctr-to-Ctr Min 50.8 mm
Hole Ctr-to-Ctr Max 50.8 mm
Width of Inner Ring 31 mm

Material

Bearings Material Stainless Steel
Housing Material 304 Cast Stainless Steel

Performance

Temperature Range -30° to 110 °C

Properties

RoHS Compliant
REACH Compliant
Lubrication Required
Weight 0.69 kg

What does MUCTB201 mean?

MUCTB201 is an AMI metric 304 cast stainless steel tapped base pillow block unit with a stainless steel wide inner ring insert and set screw locking, for a 12 mm shaft. The part number breaks down into 5 segments:

M
Stainless steel insert bearing
UC
Wide inner ring ball bearing insert, set screw locking, spherical outer ring. Insert part number is MUC201
TB
Housing style: 304 cast stainless steel tapped base pillow block. Housing part number is MTB204
2
200 series (normal duty)
01
Bore code: 01 = 12 mm

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.

Note: Part of AMI's Prime Plus corrosion-resistant series.

Frequently asked questions

What does MUCTB201 mean?

MUCTB201 is an AMI metric 304 cast stainless steel tapped base pillow block unit with a stainless steel wide inner ring insert and set screw locking, for a 12 mm shaft. M = stainless steel insert bearing, UC = wide inner ring ball bearing insert, set screw locking, spherical outer ring. Insert part number is MUC201, TB = housing style: 304 cast stainless steel tapped base pillow block. Housing part number is MTB204, 2 = 200 series (normal duty), 01 = bore code: 01 = 12 mm.

What is the bore size of MUCTB201?

The bore of MUCTB201 is 12 mm.

The housing of pillow block bearing, crafted from stainless steel, is engineered to withstand washdown, food-grade, and marine conditions with the high corrosion resistance and hygienic structural strength needed to keep the overall mounted bearing assembly performing reliably over the long term.
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.

Why choose Stainless Steel for the bearing housing?

Because this pillow block bearing is specifically designed for washdown, food-grade, or marine conditions, stainless steel delivers high corrosion resistance combined with structural strength where standard carbon steel or cast iron housings are prone to rust and contamination risk, making it a purpose-built choice for this application rather than a generic substitute.

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.

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