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Plain & Spherical Plain Bearings · Rod End Bearings (SA / SI / PHS)

PHS Series Maintenance-Free Rod Ends

15 catalogued sizes, dimensioned to Manufacturer series to DIN ISO 12240-4 envelope. Pick any row and the technical drawing redraws to it.

PHS Series Maintenance-Free Rod Ends to Manufacturer series to DIN ISO 12240-4 envelope are catalogued in bore 5-20 mm. 15 sizes are held in the table below, and the technical drawing redraws to whichever row you select.

Standard
Manufacturer series to DIN ISO 12240-4 envelope
Bore
5-20 mm
Catalogued sizes
15

Dimensions are nominal values from the governing standard. Confirm the tolerance class for your application before ordering.

PHS Series Maintenance-Free Rod Ends technical product image

Technical Drawing

Customize the parameters below — every spec field is editable, and the drawing redraws to match the values you choose. Changing the designation snaps the other fields to that size's standard values; you can then override any individual value.

Sends the selected values to the quote form below.

Request a Quotation for PHS Series Maintenance-Free Rod Ends

The form below follows the current technical drawing configuration. Change the drawing values above and the request details update automatically.

Request a Quotation

Specification
Business Information

Dimensions & Specifications (Manufacturer series to DIN ISO 12240-4 envelope)

Every row below is a starting point for the customizer above — pick any size and the drawing will redraw to that row.

DesignationBore d (mm)Thread sizeThread formLiner
PHS55M5FemalePTFE fabric
PHS66M6FemalePTFE fabric
PHS88M8FemalePTFE fabric
PHS1010M10FemalePTFE fabric
PHS1212M12FemalePTFE fabric
PHS1414M14FemalePTFE fabric
PHS1616M16FemalePTFE fabric
PHS1818M18FemalePTFE fabric
PHS2020M20FemalePTFE fabric
POS55M5MalePTFE fabric
POS88M8MalePTFE fabric
POS1010M10MalePTFE fabric
POS1212M12MalePTFE fabric
POS1616M16MalePTFE fabric
POS2020M20MalePTFE fabric

PHS Series Maintenance-Free Rod Ends are plain & spherical plain bearings manufactured to Manufacturer series to DIN ISO 12240-4 envelope. This page carries the complete boundary-dimension table — bore, outer diameter, width and corner radius for every designation in the series — with the materials, mounting and selection notes that go with it.

What Are PHS Series Maintenance-Free Rod Ends?

PHS Series Maintenance-Free Rod Ends are plain & spherical plain bearings defined by Manufacturer series to DIN ISO 12240-4 envelope. They are selected by bearing designation and the dimensional characteristics shown below. Material, cage and sealing are specified separately from the designation and are covered further down this page.

Materials & Cage

The ball is hardened and usually chrome plated; the housing is steel, or bronze where corrosion matters. Two constructions exist and they are not interchangeable: steel-on-steel, which requires relubrication through a grease nipple and carries higher load, and a PTFE-fabric-lined maintenance-free type, which runs dry and must never be greased. State the thread size, form and hand — a left-hand rod end is a different part number, not an assembly option.

Typical Applications

Hydraulic cylinder eyes, linkages, steering and construction equipment — oscillating or slow motion under high static load, with no rolling elements to brinell.

Pricing

PHS Series Maintenance-Free Rod Ends are supplied to order. Pricing starts from approximately US$5.50 per piece for standard bore sizes with a right-hand thread, steel-on-steel; final pricing depends on size, material, finish and order quantity (MOQ applies). Submit your exact configuration with the quote form above.

Inside the plant

Manufactured in our own plant

This bearing is forged, hardened, ground, superfinished and clearance-set in-house. The stages below are where its tolerance class, its internal clearance and its noise grade are actually decided.

  1. Bearing ring blanks coming off the forging press
    01

    Forging & turning

    GCr15 bar and tube is cut, heated and forged into ring blanks, then turned to leave a uniform grinding allowance. Forging rather than machining from solid keeps the grain flow following the raceway, which is the surface that eventually fails.

    Blank dimensions and grinding stock checked at set-up and per shift.

  2. Bearing rings entering a continuous hardening furnace
    02

    Heat treatment

    Through-hardening brings GCr15 / 100Cr6 to 58–64 HRC; carburizing case-hardens 20CrMnTi where the section is heavy or the load is shock. Rings are then stabilized so they hold size in service rather than growing in the housing.

    Core and surface hardness per lot; retained austenite and dimensional stability to the ordered temperature class.

  3. Raceway grinding machine finishing a bearing inner ring
    03

    Raceway grinding

    Faces, bore, outer diameter and raceway are ground in sequence on separate machines. This is where the tolerance class is created: P0, P6, P5 or P4 is a grinding outcome, not a sorting outcome.

    Bore and outer diameter deviation, raceway roundness and face runout measured to ISO 492 on every setup.

  4. Superfinishing stones acting on a ground raceway
    04

    Honing & superfinishing

    The ground raceway is honed to remove the grinding lay and bring surface roughness down to a fraction of a micrometre. Raceway finish is what decides whether a lubricant film forms, and therefore what decides bearing life far more than the load rating alone.

    Surface roughness Ra and waviness measured per lot.

Video: PHS Series Maintenance-Free Rod Ends

PHS 18 (R+L) AT | ROD END BEARINGS | ABDUL TRADERS

Third-party video, selected automatically for this topic. It is not produced by Bushing Bearings and is not a specification source — use the tables on this page for dimensional data.

Frequently Asked Questions

What is the controlling standard for PHS Series Maintenance-Free Rod Ends, and how are they fitted?

PHS Series Maintenance-Free Rod Ends are manufactured to Manufacturer series to DIN ISO 12240-4 envelope, which fixes the boundary dimensions on this page. They are mounted with a threaded shank into a mating housing or link, with a jam nut against the body.

What sizes are available for PHS Series Maintenance-Free Rod Ends?

The table on this page lists 15 sizes for PHS Series Maintenance-Free Rod Ends, ranging from PHS5 to POS20. Sizes outside the table can be quoted on request.

In which materials are PHS Series Maintenance-Free Rod Ends supplied?

PHS Series Maintenance-Free Rod Ends are supplied in wrapped and cast bronze (CuSn8, CuSn10, CuAl10Ni5Fe4), sintered oil-impregnated bronze, graphite-plugged bronze and PTFE-lined composite. Material is only part of the specification: state the internal clearance group (or preload class), the seal or shield type and the cage material alongside the designation, because all three change the part you receive.

What shaft and housing tolerances suit PHS Series Maintenance-Free Rod Ends?

The smallest bore on this page is 5 mm. With a rotating inner ring under normal load the shaft is normally machined to k5 or m6 and the housing to H7 or J7, so the inner ring is an interference fit and the outer ring can move axially to take up thermal growth. Reverse the fits when it is the outer ring that rotates. Check the figure against your own load case before machining.

How do I request a quotation?

Use the parametric drawing on this page to set the exact configuration — designation, internal clearance, seal type and cage — and click "Request this configuration". A specialist from Bushing Bearings will respond within one business day.