90x130x13 mm TA Rotary Shaft Oil Seal NBR, Exposed Metal Case Double-Sided Steel Shell

Product Overview

A 90 x 130 x 13 mm TA oil seal closes the gap between a 90 mm shaft and a 130 mm machined bore. The rubber element, which is blue on this size, is held inside a double-sided steel shell, and the outer case is bare metal, so the seal presses directly into a finished bore and holds its diameter there. It is a single lip design for oil retention on gearbox, axle and industrial shaft ends.

At a glance:

90x130x13 mm | NBR (nitrile butadiene rubber) | TA body, single lip in a double-sided steel shell with an exposed metal outer case | made in Xingtai, Hebei, China | working range -30 C to +100 C (short peaks to +120 C)

VKEFOT produces this size in Xingtai, Hebei, China for workshops and parts distributors that buy by dimension. A metal-cased seal relies on an accurate bore, so the bore diameter, the shaft diameter and the housing depth should all be measured before the order is placed.

Key Features & Benefits

• Exposed metal outer case: The bare steel case presses into a machined bore and holds its round shape, which keeps the lip centred on the shaft under load and vibration.
• Double-sided steel shell: The shell supports the rubber element from both sides, so the seal keeps its form when it is driven into the housing and does not distort at the edges.
• Single lip for oil retention: One sealing lip running on the shaft holds oil in and keeps the design simple, which reduces the chance of a fitting error in the workshop.
• NBR element for normal oil duty: The nitrile element handles mineral and gear oils from -30 C to +100 C, with short peaks to +120 C, and stays flexible on cold starts.
• Stable in a hot housing: A metal case does not swell or creep the way a rubber jacket can, so bore grip is maintained through heat cycles in a gearbox or axle.
• Checked by measurement: The 90 x 130 x 13 dimensions are compared directly with the shaft and bore, so a replacement can be selected from stock from stock.

Dimensions & Specification

Specification	Value
Inner Diameter (ID)	90 mm
Outer Diameter (OD)	130 mm
Width / Height	13 mm
Material	NBR (nitrile butadiene rubber)
Colour	Blue rubber element with a bare metal outer case
Structure	Single lip, exposed metal outer case, double-sided steel shell
Seal Type	Rotary shaft oil seal
Marking	VKEFOT
Continuous Service Temperature	-30 C to +100 C (short peaks to +120 C)
Brand	VKEFOT
Origin	Xingtai, Hebei, China

Dimensions are nominal production values written as inner diameter x outer diameter x width. A metal-cased seal needs a clean, accurately machined bore with no scoring, so check the bore finish together with the three measurements before ordering.

Material & Construction

The sealing element is moulded from NBR (nitrile butadiene rubber) and is held in a double-sided steel shell, so the outer diameter of the seal is bare metal rather than a rubber jacket. NBR resists mineral oil, gear oil and grease within -30 C to +100 C, with short peaks to +120 C, and keeps its elasticity where a shaft runs slightly out of round. Because the case is steel, the seal holds its diameter in a hot housing and does not take a set. Where oil temperature runs higher or the lubricant is synthetic, the same size can be quoted in FKM (fluoroelastomer), which holds continuous duty to about +200 C.

Quality Control and Inspection

• Incoming: compound hardness checked before release to production.
• In process: case concentricity and roundness, shell wall thickness, lip geometry, spring seating and rubber to metal bonding checked at set intervals.
• Final: dimensional check on inner diameter, outer diameter and width, case roundness, rubber hardness, lip edge inspection and marking, then packing count verification.
• Traceability: inspection results for each batch are recorded and kept; the inspection scope can be agreed before order confirmation.

Batch inspection records are kept and can be traced back from the delivered shipment. Third-party inspection before shipment can be arranged if it is stated in the enquiry.

Customization and OEM Service

packaging and logo available upon request

Packaging, Carton and Delivery

Standard packing is individual polybag, inner carton, then export carton. Carton marks, labels and barcodes are printed to buyer specification.

Lead time for standard sizes is typically 7 to 15 working days after order confirmation, and longer for sizes that are not held as standard stock. Minimum order quantity depends on whether the size is a stocked standard or made to order. Pricing, MOQ, freight and trade terms are confirmed in the written quotation. Send an RFQ with quantity and destination port.

How to Order

The more of this you include, the faster and more accurate the quotation:

1. Size or OE number: 90 x 130 x 13 mm, or the number stamped on your current seal.
2. Quantity and destination: required quantity, destination country and port.
3. Material requirement: NBR as standard, or FKM for higher oil temperature or synthetic lubricant.
4. Packaging requirement: carton marks, label data and barcode requirement.
5. Sample photo or drawing: where the seal is matched from a worn original.
6. Operating conditions: oil temperature, lubricant type, bore surface condition and shaft speed, if known.

Frequently Asked Questions

How do I confirm this seal fits my assembly?
Measure the shaft diameter, the housing bore and the housing depth, then compare them with the removed seal. A metal-cased seal also needs a bore that is smooth and undamaged, so look at the bore surface as well.

What are the exact dimensions of this oil seal?
90 mm inner diameter, 130 mm outer diameter and 13 mm width. Confirm against your own sample or drawing, because housing depth and shoulder position vary between applications.

What is the minimum order quantity?
MOQ depends on whether the size is a stocked standard or produced to order. Give us the quantity you need and the MOQ and price steps are confirmed in the quotation.

What is the lead time, and can you ship by sea or air?
Orders normally leave within 7 to 15 working days after confirmation. Sea and air freight are both arranged, with cost and transit time quoted per destination.

Can you supply FKM or HNBR instead of NBR?
Yes. FKM or HNBR can be produced for the same size where oil temperature or the fluid exceeds what NBR handles. Confirm the compound when you send the enquiry.

Do you provide samples, and are they free?
Evaluation samples can be supplied. Sample and freight charges are quoted per request, and on a confirmed bulk order the sample cost is normally credited against the order value.

Can you produce our packaging and logo?
packaging and logo available upon request.

What information do you need to quote?
Size or the number you are replacing, quantity, material, working temperature and lubricant, bore condition, packaging requirement, destination port and preferred Incoterm.

Request a Quotation

Send the size or the number you are replacing, the quantity, the destination port and any branding requirement, and we will come back with MOQ, lead time, packing details and price.

VKEFOT Seals: oil seals, O-rings and custom rubber parts. Xingtai, Hebei, China.