HJA501 Linear Actuator Push Force 5000N

Specification sheet

The parameters above cover what buyers compare when searching oem linear actuator.

Compatibility & fitment guide

How to identify the correct unit: locate the reference number stamped on your original component or in the vehicle parts catalogue, then cross-check it against the number below before ordering. Trim and market variants exist for many applications, so the short check is worth the minute before checkout.

How to identify & confirm fitment in 4 steps

1. Locate the OE / reference number on your old part or in the vehicle parts catalogue.
2. Match it to HJA501 shown on this page.
3. Send your VIN and engine code plate so our team runs an exact-fit check.
4. Receive fitment confirmation before we dispatch your order.

Cross-reference coverage for linear actuator fitment is listed above; confirm your VIN before ordering.

What this part is

A direct-fit compatible replacement referenced by HJA501 for the applications listed in the fitment block.

Why this unit sells

Buyers searching lifting column look for the strengths listed here: direct fit, verified reference and wholesale packing.

Where it fits

The fitment block above lists the markets and model families this reference is stocked for, so buyers can match demand without re-checking every listing.

Technical insights

Field note. A 5000 N-class linear actuator lives or dies by its mountings, so plan the surrounding hardware as part of the same purchase. Clevis pins, retaining clips, and bracket bolts wear and should be renewed whenever slop appears, since play at the pin multiplies side loading that the extended rod tolerates poorly. Match the power supply and controller to the actuator's rated current at full load rather than at no-load, and fit an inline fuse. Inspect limit-switch behaviour at each service interval, and in dusty or outdoor duty fit a rod boot or bellows, because a single nick in the chrome rod will progressively tear the wiper seal and vent the interior.

Deep dive. Transport and storage rules are short but absolute. Ship and store the actuator fully retracted so the maximum rod area stays inside the housing and wiper. The polished rod is nick-sensitive: never let it contact racking, tools, or other units, and keep the protective tube fitted until installation. Store horizontally on a supported body rather than cantilevered on one clevis. For months-long storage in humid conditions, a film of rust-preventive oil on the exposed rod and a periodic monthly manual cycle to redistribute internal grease will keep seals supple and the screw thread protected. Cap the connector against moisture ingress.

Deep dive. Installation preparation is straightforward electrical and mechanical work with two classic errors to avoid. You need the correct Allen or pin wrenches for the clevis hardware, a multimeter, crimps, and an appropriately sized fuse holder. First, prove polarity before applying power, because reversal at full extension drives the rod hard into its internal end stop. Second, check alignment in both planes with a straightedge so the rod takes pure axial load; even a few degrees of introduced side force at 5000 N loading shortens life dramatically. Mark the stroke endpoints on the driven member during a slow first cycle, apply thread locker to bracket bolts, and re-torque after the first working week.

Technical background. Actuator output follows the grease inside it. In sub-zero conditions lubricant viscosity rises and extension speed drops noticeably; this is normal and self-recovering once warm, but applications needing consistent cycle times in cold sheds should account for it at selection. After cold transport, condensation on the body and inside connectors is routine, so dry and check before energising. Sustained high ambient temperature does the opposite harm: it shortens the permissible duty cycle, so respect cool-down intervals in summer roof or engine-bay positions. In washdown or externally mounted roles, confirm the ingress protection class of the specific variant and keep drain holes clear.

Application context. Volume buyers should anchor quality in paperwork attached to the goods, not in promises. Agree that each batch carries lot coding on the body label and that per-batch inspection sheets covering stroke dimension, no-load and rated-load current, noise, and end-to-end cycle count travel inside the carton. Bench-verify one sample per batch: measure retracted and extended lengths, run a full-load stall check on a current-limited supply, and record values against the accepted golden sample. Specify carton orientation markings and rod protection, and hold a small spare percentage specifically against dead-on-arrival units so line stoppages never depend on an urgent single-unit shipment.

Application context. Version confusion is the most common complaint with this class. Stroke length changes the overall body length, so a longer-stroke variant will not retro-fit a bracket set cut for a shorter one; verify both extended and retracted dimensions. Voltage variants look identical externally, so label stock clearly. Feedback options differ fundamentally: units with potentiometer feedback and units with hall pulse feedback require different controller inputs and are not interchangeable in existing installations. Self-locking and back-driving behaviour under load differs between versions, which matters for vertical axes. Finally, confirm connector style and current draw at rated load before ordering cables and fuse sizes.

Deep dive. Thanks to its worm-gear layout, HJA501 holds its load firmly whenever power is cut, without needing an electric brake. Designers of nursing beds and patient transfer lifts can therefore specify this unit for backrest, legrest, or lifting functions where a sleeping patient or suspended user must never creep downward. Keep in mind the trade-off: no-load speed is 4.7 mm/s, and the rod slows visibly as load approaches the 5000N push and pull rating. Applications needing fast cycling or holding under continuous motion should reserve this actuator for duty patterns it was built to serve.

Application context. Acceptance testing after fitting HJA501 should cover geometry, sealing, and the power-off lock. Confirm the installation distance matches stroke plus 295 mm so the rod is never over-extended at either end of travel. Check that cable glands and the housing maintain the IP66 sealing claim wherever the bed or lift is wiped down, since washdowns are routine in care environments. Run the actuator through full strokes with maximum expected load and listen for noise staying at or below the 65 dB level. Finally, cut power mid-stroke and verify the load stays locked in position.

The engineering notes above compile verified reference, material and application data for aftermarket linear actuator, compatible linear actuator and wholesale linear actuator.

Field note. Intermittent stopping partway through a stroke is the signature symptom of the built-in 125 degrees C thermal switch inside HJA501 tripping after sustained work. Recovery needs no parts: let the actuator cool, then normal operation resumes, and repeated trips signal undersized actuators for the duty cycle rather than a defective unit. Unusual noise above the specified 65 dB level, or a rod that creeps under load with power off, points instead to gearbox wear or a lost self-locking property. Documenting which symptom appears separates thermal protection events from mechanical faults during service calls.

Technical background. Specifying HJA501 within a complete drive set works best when control accessories are chosen together with the actuator. The optional built-in potentiometer supplies position feedback, which pairing controllers use for synchronized two-actuator motion on wide bed sections or lift platforms. Handset and control-box voltage must match the actuator supply, and cable routing should keep harnesses clear of scissor linkages on transfer lifts. Because the mounting length equals stroke plus 295 mm, furniture frames must reserve that envelope plus clearance for the moving rod. Ordering bracket hardware and connectors alongside the actuator avoids retrofit improvisation at assembly time.

Application note. Rated thrust for this actuator class is 5000 N (about 500 kg / 1100 lb), which manufacturers specify at the lowest speed setting, typically 12 mm/s no-load.

Workshop note. Class-standard drive hardware is a brushed DC motor (12 V or 24 V versions common) driving a steel-alloy gear set and lead screw inside a stainless tube, with built-in limit switches stopping travel at both ends.

Application note. Verified 5000 N-class load-speed data shows the trade-off directly: about 4000 N at 16 mm/s, about 3000 N at 20 mm/s, about 2000 N at 28 mm/s and about 1000 N at 50 mm/s.

Application note. Documented current draw for the class runs roughly 2-3 A no-load at 12 V and 12-20 A at full load, which sizes the fuse and supply; a 12 V/20 A feed is the standard recommendation.

Application note. Typical duty cycle ratings run 10-20 percent with service life near 35,000 cycles, and enclosures are rated IP65 for dust and water spray.

Technical notes for linear actuator supplier, linear actuator price and linear actuator bulk order are compiled from catalogue references and pre-dispatch application checks.

Quality & testing

Inspection runs on an AQL sampling plan: incoming material, in-process checkpoints and a final release check are recorded on the batch sheet.

Warranty & support

12 Months limited warranty against manufacturing defects. Coverage applies to correctly installed units; keep the batch date code so any claim is processed against its inspection record. Stroke, load and control-signal questions are answered by our technical team before dispatch.

Why choose Vidishi Auto

Linear Actuator — Linear Actuator. Supplied under Vidishi Auto with batch traceability and trade-grade packing; volume pricing and private-label options are available on request. Linear actuators are supplied for automation, medical and vehicle lift applications.

Cross-reference numbers

Catalog numbering for this Linear Actuator: the primary reference is HJA501. When a supplier catalog lists superseded or regional formats, match on the numeric core of the code rather than the prefix, then confirm the physical fit.

Catalog cross-references for linear actuator catalog and linear actuator guide resolve to HJA501.

Frequently asked questions

Compliance disclaimer

Vidishi Auto is an independent supplier. This is an aftermarket compatible replacement, not a genuine OEM part. Brand names are trademarks of their respective owners and are used only to identify fitment.

Feedback & control options

Control interfaces are matched to the application; the options below are confirmed before dispatch.

• Configuration checks: the supplied configuration is confirmed against your order before dispatch.

Configuration and service notes for linear actuator replacement, linear actuator controller and heavy duty linear actuator 12v are confirmed by our technical team before dispatch.

• Control signal type and feedback options are confirmed against your specification before dispatch.
• Limit-switch and potentiometer configurations are confirmed with the quotation.

Workshop teams comparing linear actuator with controller, linear actuator cross reference and how to confirm linear actuator fitment receive the configuration checklist with the quotation.

• Control cables and connectors are quoted with the unit where required.

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Mounting & duty cycle

Mounting and duty data decide actuator service life; the scope below is confirmed with every order.

• Reference checks: the OE / reference number is matched against your old part before packing.

Application data for heavy duty linear actuator, linear actuator micro and 12v linear actuator controller is confirmed against your specification before dispatch.

• Mounting-bracket pattern and clevis details are confirmed against your specification before dispatch.
• Duty-cycle and speed requirements are confirmed with the quotation.

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• Units are function-checked before protective export packing.

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