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$17.70 Each
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Typically Ships in: 3 days
Returnable:No
Auxiliary lip
No
Design
HM21
Housing bore diameter
76.2 mm, 3.0 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
7.64 m/s
Rotational speed
3064.0 r/min
Seal width
6.35 mm, 0.25 in
Sealing lip material
Nitrile rubber (NBR)
Shaft diameter
47.63 mm, 1.875 in
Type of outside diameter
Metal-cased
Unit system
Inch
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. HM21 seals are designed with a sealant coated metal case. They have a conventional double sealing lip made of elastomer. Typical applications include grease lubricated agriculture machinery.
- Maximise the exclusion of contamination
- Accommodate low speed
- Easy installation
SKU: 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 moreSKU: 1907550
Great service and product!
Doing boat repairs is trying at best when you are on the hard. While the clock tics by , the dollars add up. Being able to find, order and receive part in a timely fashoin is a tall order and MRO Supply was able to meet all of our needs! Great job MRO! We'll be back!
Read moreSKU: 301341
Great first impression
The site was easy to navigate. I placed the order and I was kept up to date with it’s processing and shipping progress. I would definitely use them again
Read more
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SKU: 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 moreSKU: 1907550
Great service and product!
Doing boat repairs is trying at best when you are on the hard. While the clock tics by , the dollars add up. Being able to find, order and receive part in a timely fashoin is a tall order and MRO Supply was able to meet all of our needs! Great job MRO! We'll be back!
Read moreSKU: 301341
Great first impression
The site was easy to navigate. I placed the order and I was kept up to date with it’s processing and shipping progress. I would definitely use them again
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