UCT308

UCT308 Take-Up Bearing
$77.04 /Each    info

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Overview

Part Number UCT308
Brand: LILY Brand: LILY Interchangeable With: AMI
Bearing Part Number UC308
Housing Part Number T308
Product Series UCT300

Characteristics

System of Measurement Metric
Housing Style Take-Up Bearing Units
Bearing Type Ball Bearing
Bearing Duty Heavy Duty
Expansion Type Non-Expansion Bearing (Fixed)
Inner Ring Type Wide Inner Ring
Shaft Mount Type Set Screw Locking
Bearing Seal Type Double Sealed

Dimensions

Shaft Diameter 40 mm
Bore Dia 40 mm
Outside Diameter 83 mm
Bearing Width 52 mm
Width of Inner Ring 2.0470 in, 52 mm
Whole Length 124 mm
Overall Height 124 mm
Housing Height 34 mm
Center Height 100 mm
Pillow Height 17 mm
Hole Center to Center 1 112 mm
Hole Center to Center 2 50 mm
Bore Dia Tolerance -0.0005" to 0"
Height of Attachment Slot 50 mm
Hole Width 32 mm
Length of Attachment Slot 22 mm
Length of Location Slot 162 mm
Width of Piloting Groove 18 mm
Width with Locking 89 mm

Material

Bearings Material AISI 52100 Steel
Housing Material Iron

Performance

Temperature Range -30° to 110 °C

Properties

Lubrication Required
Lubrication Fitting Tap 1/8-27 NPT
RoHS Compliant
REACH Compliant
Weight 3.03 kg

What does UCT308 mean?

UCT308 is an AMI metric iron take-up unit with a wide inner ring insert and set screw locking, for a 40 mm shaft. The part number breaks down into 4 segments:

UC
Wide inner ring ball bearing insert, set screw locking, spherical outer ring. Insert part number is UC308
T
Housing style: iron take-up. Housing part number is T308
3
300 series (heavy duty)
08
Bore code: 08 × 5 = 40 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.

Frequently asked questions

What does UCT308 mean?

UCT308 is an AMI metric iron take-up unit with a wide inner ring insert and set screw locking, for a 40 mm shaft. UC = wide inner ring ball bearing insert, set screw locking, spherical outer ring. Insert part number is UC308, T = housing style: iron take-up. Housing part number is T308, 3 = 300 series (heavy duty), 08 = bore code: 08 × 5 = 40 mm.

What is the bore size of UCT308?

The bore of UCT308 is 40 mm.

Design Features of UCT308 Bearing

UCT308 feature a robust bearing housing mounted on a sliding or adjustable frame, allowing the take-up bearing to move along a guide to maintain proper tension in belts, chains, or conveyors. The design typically includes sealed bearing inserts for protection against contaminants and durable materials to withstand continuous load and movement. Adjustable and self-aligning features ensure reliable operation, accurate alignment, and extended service life in dynamic industrial applications.


What Benefits Can UCT308 Bearing Provide?

  • Automatic or Adjustable Tensioning: They maintain proper tension in belts, chains, or conveyors, reducing slippage and improving operational efficiency.
  • Enhanced Shaft Support: The bearing housing provides stable support for moving or sliding shafts under continuous load.
  • Contamination Resistance: Sealed bearing inserts protect against dust, moisture, and debris, extending service life.
  • Easy Installation and Adjustment: The sliding or adjustable frame allows quick setup and fine-tuning without disassembling machinery.
  • Reliable Performance in Dynamic Applications: Designed to accommodate movement and misalignment, ensuring consistent operation in conveyors, material handling, and other industrial systems.


What Can UCT308 Bearing Be Used for?

  • Conveyor Systems: They maintain proper tension in belt and roller conveyors, ensuring smooth and efficient material transport.
  • Material Handling Equipment: Applied in systems where chain, rope, or belt tension must be adjusted dynamically for reliable operation.
  • Mining and Bulk Processing Machinery: Used in feeders, crushers, and screens to maintain consistent drive tension under heavy loads.
  • Agricultural and Food Processing Equipment: Support belts or chains in harvesters, conveyors, and packaging machinery where variable tension is required.
  • Industrial Fans and Mechanical Drives: Provide stable support and tensioning for overhung shafts or belt-driven systems in dynamic industrial environments.

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