OTIS Escalator Parts Escalator Chain Pitch 135.46mm

Escalator step chains are usually composed of multiple links, and each link is connected by a connecting pin. The links have step guides on which the steps rest and keep running smoothly. The step chain also includes gears and rollers, which are used to push and guide the movement of the steps.

Product Name: Escalator step chain

Brand: OTIS

Type: T135.4
T135.4A
T135.4D

Pitch: 135.7mm

Inner chain plate: 5*32mm

Outer chain plate: 5*28mm

Shaft diameter: 12.7mm

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Product Detail

The OTIS Escalator Step Chain (Pitch 135.46mm) is a high-strength transmission component widely used in OTIS commercial escalators, heavy-duty public transportation escalators, and moving walk systems.

The 135.46mm step chain is widely associated with OTIS escalator platforms such as:

506NCE commercial escalator
510PSE public transportation escalator
513NPE heavy-duty escalator
606NCT moving walk systems

Product Display

Specifications

Brand	Type	Pitch	Inner chain plate	Outer chain plate	Shaft diameter	Roller size
		P	h2	h1	d2
OTIS	T135.4D	135.46mm	3*35mm	4*26mm	12.7mm	76.2*22mm
	T135.4		5*35mm	5*30mm
			5*35mm	5*30mm	15mm
	T135.4A		5*35mm	5*30mm

In order to ensure the normal operation of the escalator, the step chain requires regular maintenance and upkeep. Regular lubrication and cleaning are key to keeping your step chain running smoothly. If you find that the step chain is loose, worn or otherwise damaged, you should contact professional technicians immediately for repair or replacement.

FAQs

What are the common OTIS part numbers for this chain?

Common reference part numbers include:

DAA26150A
GAA26150E
GAA26350

Part number confirmation is recommended before ordering.

Can all OTIS 135.46mm chains replace each other?

No. Although the pitch may be the same, differences in:

Pin diameter
Roller size
Plate dimensions
Chain structure

may affect installation compatibility.

Should both step chains be replaced at the same time?

Yes. Left and right chains operate together. Replacing only one chain may create uneven tension and affect escalator safety and performance.

Why must the pin diameter be checked before replacement?

Different OTIS escalator systems may use different pin diameters, such as:

12.7mm
14.63mm

Incorrect pin dimensions may cause installation failure or abnormal operation.

What is your minimum order quantity (MOQ)?

Most products support low MOQ or even 1 piece for sample orders. Bulk orders will enjoy better pricing.

How fast is your delivery?

We have three strategically located warehouses in Saudi Arabia, Jiangsu, and Xi'an, ensuring stable inventory and fast delivery to meet global customer demands.

What payment methods do you accept?

We accept T/T, Western Union, Alipay, and other common payment methods, providing flexible options for our global customers.

Do you provide warranty for your products?

Yes, most products come with a 1 year warranty.

Can you support international shipping?

Yes, we ship worldwide via DHL, FedEx, UPS, air freight, or sea freight, depending on your needs and urgency.

Do you offer technical support?

Yes, our experienced team provides pre-sales selection support and after-sales technical assistance to help ensure correct installation and operation.