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SKF / CR Seals 15X21X3 HM4 R HM4 single lip radial shaft oil seal for 15mm shaft diameter, 21mm housing bore, and 3mm seal width. Features a NBR sealing lip with spring loading for reliable radial contact. Operating temperature: -40°F to 250°F (-40°C to 121°C). Used in motors, gearboxes, pumps, and industrial rotating equipment. Prevents lubricant leakage and contaminant ingress.
MODEL 15X21X3 HM4 R
Contact supplier for technical support on: 267-436-6000
$8.30 Each
Prices are subject to change
FREE SHIPPING ON ORDERS OVER $100
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Typically Ships in: 3 days
Returnable:No
Auxiliary lip
No
Design
HM4
Housing bore diameter
21.0 mm, 0.827 in
Maximum operating temperature
100.0 °C, 212.0 °F
Maximum operating temperature (°F)
100.0 °C, 212.0
Minimum operating temperature
-40.0 °C, -40.0 °F
Minimum operating temperature (°F)
-40.0 °C, -40.0
Permissible circumferential speed
2.96 m/s
Rotational speed
3780.0 r/min
Seal width
3.0 mm, 0.118 in
Sealing lip material
Nitrile rubber (NBR)
Shaft diameter
15.0 mm, 0.591 in
Type of outside diameter
Metal-cased
Unit system
Metric
Radial shaft seal with metal case and single sealing lip, for grease
Radial shaft seals are used between rotating and stationary machine components, or between components in relative motion. HM4 seals are designed with a single metal case. They have a conventional single sealing lip made of elastomer. Typical applications include grease lubricated agriculture machinery.
- Maximise the exclusion of contamination
- Accommodate low speed
- Easy installation
SKU: 1898441
Mro supply - seals
I use a lot of the SKF6119 seals for chainsaw repairs and MRO always has the best prices and fast shipping.
Read moreSKU: 1898386
Small diameter seals
I use a lot of small diameter inch dimension seals for the repair of older chainsaws. MRO is a great resource for many seals with very competitive prices and free shipping for larger orders. I will continue to use MRO whenever I can.
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SKU: 1898441
Mro supply - seals
I use a lot of the SKF6119 seals for chainsaw repairs and MRO always has the best prices and fast shipping.
Read moreSKU: 1898386
Small diameter seals
I use a lot of small diameter inch dimension seals for the repair of older chainsaws. MRO is a great resource for many seals with very competitive prices and free shipping for larger orders. I will continue to use MRO whenever I can.
Read moreDisclaimer: The return policy information shown below is merely an excerpt from SKF's General Conditions of Sale.
RETURN OF GOODS FOR CREDIT
Goods will not be accepted for return without prior written approval from SKF. The return freight must be prepaid by the Buyer. Unless return of Goods is due to Supplier error, Goods returned will be subject to a credit service fee of $25.00 or 15% of the credit value, whichever is greater. An additional service fee may apply is further inspection is required at the discretion of SKF