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Self-lubricating GE31-ZO-2RS-E Radial Spherical Plain Bearing for Construction Machinery Engineering Hydraulic Cylinder
Genuine SKF

Buying for several machines? Add this model to one inquiry with the other SKF bearings, housings and accessories on your list. Each line keeps its own designation, quantity and specification.

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Product details

About this SKF bearing

Product Specifications

Parameter Details
Bearing Type Radial Spherical Plain Bearing
Model Number GE31-ZO-2RS-E
Bore Diameter (d) 31.75 mm
Outside Diameter (D) 50.8 mm
Ball Diameter 45.5 mm
Material Bearing Steel
Lubrication Type Self-lubricating
Outer Structure Whole Outer Ring
Precision Class P0
Weight 0.220 Kg
Package Size 15.00cm × 12.00cm × 10.00cm
Package Gross Weight 0.700 kg
HS Code 8482109000

Application Suitability

Industry Typical Applications
Construction Machinery Engineering Hydraulic Cylinder
Industrial Machinery Forging Machine, Automation Equipment
Automotive Automobile Shock Absorber
Water Conservancy Water Conservancy Machinery

Need a Durable GE31-ZO-2RS-E Spherical Plain Bearing for Your Hydraulic Cylinder?

When construction machinery hydraulic cylinders fail, the cost goes beyond replacement parts—downtime, labor, and project delays add up quickly. Many buyers struggle with bearings that either don’t fit properly or wear out prematurely in high-load, oscillating applications. Finding a reliable self-lubricating bearing that meets dimensional standards while withstanding tough working conditions can feel like searching for a needle in a haystack.

Self-Lubricating Design for Low-Maintenance Performance

The GE31-ZO-2RS-E radial spherical plain bearing addresses these challenges with its self-lubricating design, eliminating the need for frequent grease injections in hard-to-reach hydraulic cylinder articulation points. As a supplier with ISO 9001 certified quality control processes, we ensure each bearing meets strict dimensional tolerances—31.75 mm bore diameter, 50.8 mm outer diameter, and 45.5 mm ball diameter—to ensure compatibility with standard construction machinery components. Our extensive inventory covers a wide range of bearing types, including spherical plain bearings, making it easier to source the exact part you need without juggling multiple suppliers.

Engineered for Heavy-Duty Oscillating Loads

This bearing excels in applications involving axial and radial loads with oscillating motion, such as engineering hydraulic cylinders and forging machines. The whole outer ring structure provides stability under dynamic loads, while the bearing steel construction offers high surface hardness to resist wear. Its self-lubricating feature is particularly valuable in dusty or wet environments where traditional lubrication systems might fail, ensuring consistent performance in construction and water conservancy machinery.

Key Engineering Features That Impact Reliability

The GE31-ZO-2RS-E’s precision class P0 ensures tight dimensional control, critical for proper fit in hydraulic cylinder assemblies. The self-lubricating sliding contact reduces friction and minimizes heat buildup, extending service life compared to non-lubricated alternatives. The bearing steel material undergoes rigorous testing to meet hardness requirements, ensuring it can handle the shock loads common in construction equipment. Additionally, the standardized dimensions (conforming to HS code 8482109000) mean this bearing can serve as a direct replacement for similar spherical plain bearings in existing systems, simplifying maintenance and reducing downtime.

Why Choosing the Right Bearing Lowers Total Cost

Opting for a quality self-lubricating spherical plain bearing like the GE31-ZO-2RS-E reduces long-term costs by minimizing maintenance intervals and preventing premature failures. Inferior bearings often fail due to material fatigue or imprecise dimensions, leading to unexpected equipment shutdowns and costly repairs. By investing in a bearing that meets ISO standards and undergoes thorough quality checks, you avoid the hidden expenses of frequent replacements and unplanned downtime. This model’s design specifically targets the needs of construction machinery, where reliability directly impacts project timelines and profitability.

Quality You Can Rely On

Our production and inspection processes are ISO 9001 certified, ensuring consistent quality from raw material testing to final dimensional checks. Each GE31-ZO-2RS-E bearing undergoes hardness and surface treatment testing to meet industry standards. We provide a warranty against manufacturing defects, with clear terms outlined in our supply contracts. As a supplier with access to multiple brands and models, we can source bearings according to your specific requirements, whether you need standard parts or custom solutions. Our inventory system supports quick order processing, so you get the bearings you need when you need them.

Packaging & Shipping

  • Packaged in sturdy cartons with dimensions 15.00cm × 12.00cm × 10.00cm to protect against damage during transit
  • Spot inventory available for same-day shipping on in-stock items
  • Flexible shipping options including express courier, air freight, and sea freight to meet your delivery timeline
  • Low minimum order quantity supported, ideal for both small maintenance orders and large-scale production requirements

Get a Quote for Your GE31-ZO-2RS-E Bearing Requirement

Whether you need a single GE31-ZO-2RS-E bearing for a replacement or bulk quantities for production, provide us with your specific requirements—model, quantity, and delivery location—and we’ll deliver a competitive quote with lead time details. Our team can also assist with cross-referencing part numbers to ensure compatibility with your equipment. The sooner you confirm your order, the sooner we can arrange shipment to keep your operations running smoothly.

Frequently Asked Questions

Q: Do you supply bearings from other brands or models?

A: Yes, we offer a full range of bearing types and can source products according to your specified brand or model requirements.

Q: How can I confirm if this bearing fits my hydraulic cylinder?

A: Provide your equipment’s make, model, or the required dimensions (bore, outer diameter, width), and our technical team will verify compatibility with the GE31-ZO-2RS-E.

Q: What is your warranty policy for this bearing?

A: We provide a warranty against manufacturing defects. Specific terms, including duration, are outlined in our supply contract.

Q: What is the minimum order quantity for this bearing?

A: We support low minimum order quantities, allowing you to order small batches for maintenance or larger volumes for production.

Q: How long does shipping take, and what methods are available?

A: In-stock items ship the same day. Shipping methods include express courier (3-5 days), air freight (5-7 days), and sea freight (20-30 days), depending on your location and urgency.

Q: Can you provide OEM or custom bearings?

A: Yes, we support OEM/ODM services and can produce bearings according to your technical drawings or specifications.

Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we'll get back to you with pricing and lead time.<br

Why Electrical Equipment

One SKF inquiry. Every line accounted for.

Electrical Equipment is an Authorized SKF Distributor that turns mixed equipment lists into itemised, comparable quotes and consolidated supply for industrial plants, maintenance contractors and distributors worldwide.

Boxed SKF bearings stacked on warehouse shelves Technician inspecting a roller bearing on a workbench Packed bearing cartons on a pallet ready for shipment
  • Broad SKF range in one purchase

    Ball, roller, needle, thrust, mounted and precision bearings handled in a single industrial order.

  • Mixed equipment lists

    One inquiry covers parts for different machines, with designations and internal stock codes matched line by line.

  • Standard and precision flagged

    Routine replacement bearings and special-specification models are labelled separately on your quote.

  • No unapproved substitutes

    Identification gaps are closed before quoting; any alternative is listed separately for your approval.

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Applications

Where this bearing is used

Self-lubricating GE31-ZO-2RS-E Radial Spherical Plain Bearing for Construction Machinery Engineering Hydraulic Cylinder is specified in the applications below. Open an application to see the matching SKF bearing categories.

Buyer feedback

Trusted by plants and maintenance teams

Industrial buyers in the USA, Mexico, Oman, France, New Zealand and Brazil source genuine SKF bearings and mixed lists through Electrical Equipment.

5.0

"When a critical piece of rotating equipment failed, we needed a mixed SKF list urgently. The supplier consolidated the order, shipped same-day, and the parts were on our plant floor in two days. The equipment was back online before the end of the shift."

Ahmed Al-Farsi Ahmed Al-FarsiFarsi Industrial Services · Oman
4.9

"We had a bad experience with counterfeit SKF bearings from another supplier. The bearings from skfus.com are genuine, traceable, and the packaging matches SKF's current format. Our reliability team verified the first batch and we now use them as our primary source."

Luis Hernandez Luis HernandezHernandez Manufacturing · Mexico
5.0

"The SKF mounted units and insert bearings we ordered for a conveyor upgrade were supplied with the correct housing and locking arrangement. Our maintenance team installed them without modification. No noise, no leaks, no call-backs."

Graham McLeod Graham McLeodMcLeod Fabrication · New Zealand
Selection guides

Technical articles for this bearing type

These guides cover selection, identification and replacement points relevant to Self-lubricating GE31-ZO-2RS-E Radial Spherical Plain Bearing for Construction Machinery Engineering Hydraulic Cylinder.

FAQ

Questions about ordering this SKF bearing

Short answers on identification, mixed orders, quote terms and substitutions at Electrical Equipment.

What if my SKF designation is incomplete?

Send a clear photo of the bearing markings and note which details still need confirming. We close identification gaps, including the exact specification and complete assembly, before you accept a quote. Nothing is substituted to fill a gap.

Can I quote this bearing together with other SKF categories?

Yes. Standard, precision and mounted units can sit in one itemised inquiry, with each line keeping its own designation, quantity and specification. Housings and mounting accessories are added when they are part of your supply scope.

What does the written quote include?

Each quote lists the designation, quantity, price and currency, stock availability, estimated lead time and quote validity. Applicable freight or tax terms are stated, and the product documents available for your order are confirmed.

How are substitutions confirmed?

Only with your approval. Any alternative is marked separately on the quote, and every technical change needs sign-off from the buyer before an order is placed.

Warehouse aisle with boxed industrial bearings on steel racks
Request a quote

Get a written quote for Self-lubricating GE31-ZO-2RS-E Radial Spherical Plain Bearing for Construction Machinery Engineering Hydraulic Cylinder

Send this model alone or with your full SKF list. We verify the identification details on every line first, then issue an itemised written quote with lead time and validity.

Identification details are checked line by line before your written quote is issued. Any technical change requires your approval.