Journal Bearing Apparatus Manufacturer,Supplier and Exporter in India
Product Code : EL-FMAHLE-7327
Jlab Export is a leading Journal Bearing Apparatus Manufacturer,and suppliers in India
Journal Bearing Apparatus (code EL-FMAHLE-7327) is a lubrication test rig in which a plain steel shaft, driven directly by an FHP motor, turns inside a freely supported bearing loaded by weights. Pressure tappings around and along the bearing lead to a manometer, so the pressure in the oil film can be read at every point at once. This journal bearing rig is manufactured by JLab in Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Shaft | Plain steel, driven directly by an FHP motor |
| Speed control | Speed control unit; runs in both directions |
| Bearing | Freely supported on the shaft, sealed at the motor end |
| Loading | Weights attached to an arm beneath the bearing |
| Pressure tappings | Twelve equally spaced around the circumference, four along the axis |
| Manometer | Connected to every tapping by PU tubing |
| Lubricant needed | SAE 40 oil, about 5 L |
| Electric supply | 230 V AC, single phase |
| Also needed | Tachometer to read the journal speed in rpm |
| Quality check | Each bearing apparatus is visually inspected before dispatch |
| Pack quantity | Each (sold individually) |
| Minimum order quantity | 1 unit |
| Dispatch time | Usually 14–18 working days |
| Product code | EL-FMAHLE-7327 |
| Manufacturer | Jain Laboratory Instruments Pvt Ltd (JLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
How Pressure Builds in the Oil Film
Under load the shaft runs slightly off-centre in the bearing, leaving a wedge-shaped clearance. As the shaft turns it drags oil into the narrowing part of that gap, raising the pressure there until the oil film carries the load; in the widening part the pressure falls away. The twelve tappings around the circumference show this distribution, and the four along the axis show how pressure varies along the bearing length.
Load, Speed and Pressure Curves
Changing the hanging weights alters the load, and the speed control unit sets the shaft speed in either direction, read on a tachometer. For each condition the oil heads in all the manometer tubes are noted together and plotted as Cartesian and polar pressure curves. The same set-up is used to measure the frictional torque and the power transmitted.
Bearing and Machine-Dynamics Rigs
- Michell Tilting Pad Bearing Apparatus — a hydrodynamic bearing rig built around tilting pads.
- Motorised Gyroscope — motor-driven rotor for measuring the gyroscopic couple.
Both appear with the other trainers in Fluid Mechanics and Hydraulics Lab Equipment, under Engineering Lab Equipment.
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Last updated: 30 October 2026
