Description
Verified Distributor Sourcing — Every GE30-HO-2RS-E ships with full batch traceability and origin documentation for import compliance.
Technical Specifications
| Parameter | Value |
|---|---|
| Designation | INA GE30-HO-2RS-E |
| Bearing Type | Radial Spherical Plain Bearing |
| Bore Diameter (d) | 30 mm |
| Outside Diameter (D) | 47 mm |
| Width (B) | 30 mm |
| Dynamic Load Rating (C) | 22 kN |
| Static Load Rating (C₀) | 44 kN |
| Max Tilt Angle | ±15° to ±20° |
| Operating Temperature Range | -35°C to +150°C |
| Seal Type | 2RS (contact seal on both sides) |
| Weight | 0.6 – 0.8 kg |
| Origin | China |
Note: The suffixes HO and E appear in this designation but are not fully decoded in available references; confirm exact meaning against the INA catalog when specifying for critical applications.
Application Suitability
| Industry | Typical Applications |
|---|---|
| Construction & Earthmoving | Excavator boom linkages, loader bucket pivot joints |
| Agricultural Machinery | Combine harvester header tilt cylinders, sprayer boom articulation |
| Mining & Crushing | Vibrating screen deck linkages, crusher toggle plate joints |
| Material Handling | Forklift mast tilt cylinders, overhead crane rod ends |
| Hydraulic Cylinders | Clevis-mount cylinder rod eyes, pneumatic actuator joints |
Why a Missing Seal Suffix Wrecks Hydraulic Rod Ends on Site
A standard open-type GE30 installed where a 2RS-sealed version was specified will fail within weeks in wet or dusty service.
Spherical plain bearings in hydraulic cylinder rod eyes and linkage joints operate in some of the most contaminated zones on any machine. Slurry ingress, airborne silica dust, and washdown water attack the PTFE-lined sliding contact surface directly. I’ve seen replacement requests come in barely a month after installation because someone matched the base GE30 number but overlooked the 2RS seal code. The PTFE liner wears through, the inner ring seizes against the outer ring, and the entire rod end has to be cut out in the field. [NEED_CITE: premature spherical plain bearing failure modes due to contamination ingress per ISO 15243]
How This Bearing Matches Contaminated, Low-Speed Articulation Duties
The GE30-HO-2RS-E is built for oscillating or slow-rotation joints where contamination exclusion matters more than speed capability. The dual 2RS contact seals physically wipe the inner ring OD on every articulation cycle, keeping abrasive particles away from the PTFE sliding interface. Combined with the ±15° to ±20° tilt capacity, this bearing accommodates the misalignment that naturally occurs in clevis-mounted hydraulic cylinders and multi-axis linkages. When we cross-reference this part against a competitor’s open-type equivalent, the seal difference alone accounts for a noticeably extended service interval in any outdoor or washdown environment.
Load, Temperature, and Seal Friction Trade-offs in the Field
Radial spherical plain bearings carry predominantly radial loads through the sliding contact zone, and the 22 kN dynamic / 44 kN static ratings reflect the large contact area between the inner and outer rings. Operating temperatures up to +150°C are compatible with PTFE liner limits, but the 2RS seals add friction that matters in high-frequency oscillation. In cold regions, the lower limit of -35°C means the elastomer seals remain pliable during winter starts. The key variable is whether the application involves continuous rotation or purely oscillating motion — spherical plain bearings are rated differently for each regime, and misjudging this is a common cause of early liner wear. [NEED_CITE: oscillating versus continuous rotation rating methodology for spherical plain bearings]
What the Core Specs Actually Mean for Your Installation
The self-lubricating PTFE-lined sliding surface eliminates relubrication entirely, which is a genuine advantage in joints that are difficult to access without partial machine disassembly. Maintenance-free operation here doesn’t mean zero monitoring — it means the bearing is designed to reach its fatigue life without grease replenishment, provided the seals remain intact. The 2RS contact seals offer the highest contamination exclusion available for this bearing type, at the cost of slightly higher breakaway torque compared to open or single-shield variants. The ±15° to ±20° tilt angle is generous enough for most hydraulic cylinder and linkage geometries, but if your installation involves greater angular misalignment, a different series with a larger tilt envelope may be required. The 30 mm bore and 47 mm OD are standard dimensions that match common rod-end housings and clevis bores across multiple equipment platforms.
What Happens When the Wrong Variant Gets Shipped
Substituting an open-type or non-sealed GE30 for a specified GE30-HO-2RS-E in a contaminated environment leads to a predictable failure cascade: particulate embeds in the PTFE liner, scoring accelerates on the inner ring ball surface, and eventual seizure transfers load into the housing and adjacent structure. The hidden cost isn’t just the bearing itself — it’s the unplanned downtime, the field welding to extract a seized rod end, and potential damage to the hydraulic cylinder rod or clevis bore. ISO 15243 classifies contamination-related wear as a distinct failure mode, and it accounts for a significant share of premature spherical plain bearing replacements in heavy equipment fleets. [NEED_CITE: rolling bearing failure mode classification per ISO 15243]
How Our Sourcing Process Reduces Specification Risk
We source this GE30-HO-2RS-E radial spherical plain bearing through authorized distributor channels, which means every unit arrives with batch-level traceability back to the manufacturer’s production facilities. Our cross-reference database checks not only the base GE30 number but also the seal type, tilt angle, and liner material — so a buyer specifying a 2RS-sealed self-lubricating version doesn’t accidentally receive an open re-lubricatable substitute. For import buyers, we prepare country-of-origin documentation and HS code details that match the actual shipment, avoiding customs delays. When a cross-brand substitution is requested, we verify dimensional envelope, load ratings, and seal arrangement before proposing any alternative.
Documentation & Authenticity
- Supplier Certificate of Conformity referencing the GE30-HO-2RS-E designation with batch and lot numbers
- Material certificate confirming the bearing steel grade and PTFE liner specification
- Third-party dimensional inspection report covering bore, OD, width, and seal seating dimensions before dispatch
- Country-of-origin documentation prepared for customs clearance in the destination country
- QR code verification pathway through the INA official app for on-site authenticity confirmation upon receipt
- HS code classification support for import duty and compliance paperwork
Storage, Handling & Mounting
- Keep the GE30-HO-2RS-E sealed in its original packaging until installation; premature opening exposes the PTFE liner and 2RS seals to workshop dust that can embed before the bearing ever sees service
- Store flat in a dry environment with stable temperature to prevent condensation from migrating past the 2RS contact seals into the sliding surface
- Handle with clean gloves — fingerprints on the exposed inner ring bore can initiate corrosion that compromises the press-fit into the rod eye housing
- Mount using controlled press or thermal fitting on the outer ring only; hammering risks deforming the 2RS seal lips and destroying their contamination barrier
- Do not attempt to regrease — the self-lubricating PTFE liner is designed to function without additional lubricant throughout its service life
Request a Quotation or Technical Review
Share your application parameters — load magnitude, oscillation frequency, ambient temperature range, and contamination severity — so we can confirm this GE30-HO-2RS-E radial spherical plain bearing is the correct variant for your equipment. If you’re replacing an existing bearing, send us the OEM equipment number or the marking on the old unit and we’ll verify the cross-reference including seal type and liner material. We can also provide a documentation package preview before you commit to a bulk order.
Frequently Asked Questions
Q: How can I verify that the GE30-HO-2RS-E I receive is genuine?
A: Each unit ships with a Certificate of Conformity carrying batch and lot numbers that trace back through the authorized distributor chain. You can also scan the QR code using the INA official app to confirm authenticity directly on the manufacturer’s verification platform.
Q: What does the 2RS suffix mean and why does it matter for my application?
A: 2RS indicates contact seals on both sides of the bearing. For spherical plain bearings operating in dusty, wet, or washdown environments, this seal arrangement prevents contamination from reaching the PTFE-lined sliding surface, which is the single most important factor in achieving expected service life.
Q: What do the HO and E suffixes indicate on this bearing?
A: These suffixes appear in the full INA designation but are not fully decoded in the standard reference materials we use. We recommend confirming their exact meaning against the current INA product catalog for your specific application requirements.
Q: Can I substitute a different brand’s spherical plain bearing for this GE30-HO-2RS-E?
A: Cross-brand substitution is possible but requires matching more than just the 30 mm bore and 47 mm OD. The seal type (2RS), liner material (PTFE self-lubricating), tilt angle range, and load ratings must all align. We perform a full dimensional and functional cross-reference check before proposing any alternative.
Q: Is this bearing re-lubricatable?
A: No. The GE series with PTFE-lined sliding surfaces is designed for maintenance-free operation. There are no lubrication grooves or grease ports, and attempting to introduce external lubricant can actually degrade the PTFE interface.
Secure Your Specification Before You Order
Send us your application details or OEM equipment number today and we’ll confirm the exact GE30-HO-2RS-E variant, cross-reference accuracy, and documentation package before shipping.
