Description
Traceable Mill-Grade Sourcing — Every GE100-DO-2TS shipment carries supplier-issued Certificate of Conformity tied to the production batch, so site engineers can audit material provenance before the bearing enters service.
Technical Specifications
| Parameter | Value |
|---|---|
| Designation | GE100-DO-2TS |
| Bearing Type | Spherical Plain Bearing |
| Bore Diameter (d) | 100 mm |
| Outside Diameter (D) | 150 mm |
| Ball Diameter | 130 mm |
| Material | Bearing Steel (steel on steel) |
| Ball Material | Bearing Steel |
| Rod End | Rod End |
| Seal or Shield Type | Triple Lip Sealed |
| Precision Class | P0 |
| Number of Rows | Single |
| Origin | China |
Note: The suffixes DO and 2TS appear on the supplier label; their exact configuration should be confirmed against the manufacturer’s catalog before critical application design.
Application Suitability
| Industry | Typical Applications |
|---|---|
| Mining & Crushing | Crusher eccentric shaft linkage, jaw crusher toggle plate pivot |
| Steel & Metallurgy | Continuous caster guide roller arms, ladle transfer carriage joints |
| Material Handling | Overhead crane hoist linkages, stacker-reclaimer boom pivot points |
| Heavy-duty Industrial Machinery | Hydraulic cylinder clevis mounts, vibrating screen drive arms |
What Dust Ingress Does to a Steel-on-Steel Joint in Open-Pit Service
Seal failure is the first step toward inner ring scoring on a spherical plain bearing that never sees clean air.
In my early shipping days out of Ningbo, a West African mining client received a batch where the triple lip seals had been quietly swapped for single-lip variants by a middleman — same base number, different sealing performance. Within three months, dust had packed the sliding contact zone and the crusher went down for a week [NEED_CITE: spherical plain bearing contamination failure modes in mining environments]. That kind of substitution never shows up on a packing list. When sourcing the GE100-DO-2TS spherical plain bearing steel on steel triple lip sealed for abrasive environments, the seal specification matters as much as the bore diameter.
Matching the GE100-DO-2TS to Heavy Oscillating Duty
This 100 mm bore steel-on-steel joint is built for slow oscillation under high radial load — the exact motion profile of a crusher toggle or a hydraulic cylinder clevis that cycles through a limited arc all shift. The GE100-DO-2TS spherical plain bearing steel on steel triple lip sealed configuration addresses the contamination problem directly: three sealing lips in series create a labyrinth that slows abrasive particle migration toward the sliding surfaces. When a buyer asks me to cross-reference this part against an OEM equipment number, the first thing I check is whether the original seal was single, double, or triple lip — swapping down in seal protection is the most common reason a replacement fails early.
Load Spectrum, Contamination, and Sliding Surface Demands
The loads here are predominantly radial with frequent shock components — think of a jaw crusher toggle plate that sees peak force every time the moving jaw closes on rock. Temperatures in these pivot zones rarely exceed moderate levels, but the dust and moisture exposure is continuous. Steel-on-steel sliding contact relies on periodic re-lubrication to maintain the boundary film, and the triple lip seal serves a dual role: keeping grit out while retaining grease inside the contact zone [NEED_CITE: ISO 15243 classification of spherical plain bearing wear mechanisms]. Mounting is typically a press-fit or clamped arrangement, and the 100 mm bore requires careful alignment during installation to avoid edge-loading the sliding surfaces.
Breaking Down the Core Design Choices
The bearing steel construction (equivalent to GCr15 or 100Cr6) gives the inner and outer rings the hardness needed for sustained sliding contact under heavy load — typically HRC 58-62 on the raceway surfaces. Steel-on-steel means there is no PTFE or bronze liner; the bearing depends on lubrication and the hardness of the mating surfaces to resist adhesive wear. The triple lip seal is the defining feature for dirty environments: compared to a single-lip design, it adds two additional contact barriers that extend the time between re-greasing intervals and reduce the chance of a single particle reaching the sliding zone. The P0 precision class is the standard industrial grade — appropriate for pivot and linkage applications where micron-level running accuracy is not the governing design constraint.
The Hidden Expense of a Seal Swap on a Crusher Pivot
When a maintenance team installs a spherical plain bearing that matches the base designation but carries an inferior seal, the failure sequence is slow enough to look like normal wear. What actually happens is abrasive paste forming inside the contact zone, accelerating material removal per cycle. Under ISO 281 life calculation principles, contaminated lubrication can reduce effective service life dramatically — and the resulting unplanned downtime on a primary crusher carries production losses far beyond the cost of the correct bearing [NEED_CITE: ISO 281 bearing life modification factors for contaminated lubrication]. I have seen procurement teams save a small margin on the unit price and lose a week of throughput because the crusher stopped on a Saturday night.
How We Keep the GE100-DO-2TS Supply Honest
Every batch we ship carries a supplier Certificate of Conformity that references the production lot — you can trace it back. For clients who need material certainty, we supply a material certificate confirming the bearing steel grade so you know the inner ring hardness is not going to disappoint after six months in a dusty pit. When a purchasing manager needs to cross-reference the GE100-DO-2TS spherical plain bearing steel on steel triple lip sealed against a competitor’s designation, we check bore, OD, seal configuration, and sliding surface type together — not just the base number. Our origin documentation supports customs clearance in markets where country-of-origin declarations are scrutinized, and we can arrange third-party dimensional inspection before the crate leaves the warehouse.
Documentation & Authenticity
- Supplier Certificate of Conformity with production batch and lot traceability linked to each GE100-DO-2TS unit
- Material certificate confirming bearing steel grade (GCr15 / 100Cr6 equivalent) for sliding surface hardness verification
- Third-party dimensional inspection report covering bore diameter, outside diameter, and ball diameter tolerances
- Country-of-origin documentation suitable for import compliance in regulated markets
- HS code and customs classification support to streamline port clearance for mining equipment spares
Storage, Handling & Mounting
- Keep the GE100-DO-2TS in its original sealed packaging until the mounting shift begins — opening it early on a dusty job site exposes the triple lip seals to particulate contamination before installation
- Store horizontally on a flat rack; the 150 mm OD and steel-on-steel construction means edge contact on a vertical rack can nick the outer ring surface
- Use clean gloves during handling to prevent fingerprint corrosion on the bearing steel surfaces, especially in humid coastal or tropical storage conditions
- During press-fit mounting on the 100 mm bore, apply force only to the inner ring — transmitting load through the outer ring risks damaging the triple lip seal lips and the sliding contact zone
- After installation, confirm the re-lubrication schedule matches the OEM cycle; the triple lip seal retains grease effectively but does not eliminate the need for periodic re-greasing under heavy oscillating duty
Request a Technical Match
Send us the OEM equipment number or the application parameters — load direction, oscillation angle, ambient dust level — and we will verify whether the GE100-DO-2TS spherical plain bearing steel on steel triple lip sealed is the correct fit or whether a different seal or clearance variant is warranted. We can confirm batch availability, provide the documentation package for your import process, and arrange a trial quantity for new applications before you commit to a full reorder.
Frequently Asked Questions
Q: How do I confirm the bearing steel material is genuine and not a low-hardness substitute?
A: Request the material certificate with your shipment. It specifies the steel grade and can be cross-checked with a portable hardness tester on site — genuine bearing steel should read in the HRC 58-62 range on the sliding surfaces.
Q: What advantage does a triple lip seal give over a single lip seal in a mining environment?
A: Three sealing lips in series create a multi-stage barrier against abrasive dust and moisture. In open-pit or aggregate processing conditions, this configuration noticeably extends the interval between re-greasing and reduces the risk of contaminant-driven scoring on the inner ring.
Q: Can I cross-reference the GE100-DO-2TS against another brand’s spherical plain bearing?
A: A valid cross-reference must match bore, OD, ball diameter, seal type, and sliding surface material — not just the base number. We can run a full comparison across SKF, NSK, FAG, and other major brands to confirm interchange compatibility before you order.
Q: Is this bearing suitable for continuous rotation, or only oscillating motion?
A: Steel-on-steel spherical plain bearings are designed primarily for oscillating or slow angular movement under load. Continuous high-speed rotation is outside their intended duty profile; for that application, a rolling element bearing would be the correct selection.
Q: What documentation ships with the GE100-DO-2TS?
A: Each order includes a Certificate of Conformity with batch traceability, material certificate, and country-of-origin documentation. Third-party dimensional inspection reports are available on request before shipment.
Verify Your Next Spherical Plain Bearing Order
Share your OEM part number or site operating conditions, and we will return a specification-confirmed quote with full documentation. Contact our technical team at the inquiry channel listed on our site to start the verification.
