Round Fans | McMaster-Carr

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64 Products

About Exhaust Fans

About Sound Levels

Measured in decibels (dB), volume ratings indicate how much noise equipment makes. Some common volume levels include a whisper @ 20 dB, a refrigerator @ 40 dB, a conversation @ 60 dB, and a light machine shop @ 90 dB. OSHA recommends hearing protection for exposure to 80 dB and greater.

DC Equipment-Cooling Fans

Running on 48V DC power or lower, these compact fans fit inside electronics and other small, heat-sensitive equipment to keep things cool. They're also known as muffin fans. Some meet American and Canadian safety standards.

Fans with ball bearings generate less heat as they run, so they have a longer life than fans with sleeve bearings.

Fans with quick-disconnect (QD) terminals are compatible with quick-disconnect power cords.

For technical drawings and 3-D models, click on a part number.

Round

Overall
Dia.	Dp.	Airflow, cfm	Bearing Type	Temp. Range, °F	Volume, dBA	Current, A	Frame Material	Blade Material	Mounting Fasteners Included	Mounting Hole Dia.	Specifications Met		Each
12V DC—Wire Leads
5.91" (150 mm)	1.5" (38 mm)	181	Ball	-10° to 160°	53	1.00	Aluminum	Aluminum	No	0.17" (4.3 mm)	UL Recognized Component, CSA Certified	0000000	0000000
5.91" (150 mm)	2.17" (55 mm)	210	Ball	-10° to 160°	53	1.00	Aluminum	Plastic	No	0.17" (4.3 mm)	UL Recognized Component, CSA Certified	0000000	000000
12V DC—Quick-Disconnect Terminals with Male Fan Plug
6.77" (172 mm)	2" (50.8 mm)	205	Ball	0° to 160°	49	1.00	Aluminum	Plastic	No	0.17" (4.3 mm)	UL Recognized Component, CSA Certified	00000000	00000
24V DC—Wire Leads
5.91" (150 mm)	1.5" (38 mm)	181	Ball	-10° to 160°	53	0.50	Aluminum	Aluminum	No	0.17" (4.3 mm)	UL Recognized Component, CSA Certified	0000000	00000
5.91" (150 mm)	1.5" (38 mm)	212	Ball	-10° to 160°	58	0.79	Aluminum	Aluminum	No	0.17" (4.3 mm)	UL Recognized Component, CSA Certified	0000000	000000
5.91" (150 mm)	2.17" (55 mm)	210	Ball	-10° to 160°	53	0.50	Aluminum	Plastic	No	0.17" (4.3 mm)	UL Recognized Component, CSA Certified	0000000	000000
6.77" (172 mm)	2" (50.8 mm)	230	Ball	0° to 165°	51	0.54	Aluminum	Plastic	No	0.17" (4.3 mm)	UL Recognized Component, CSA Certified	00000000	000000
6.77" (172 mm)	2" (50.8 mm)	275	Ball	0° to 155°	56	0.96	Aluminum	Plastic	No	0.17" (4.3 mm)	UL Recognized Component, CSA Certified	00000000	000000
7.87" (200 mm)	2.76" (70 mm)	585	Ball	-10° to 140°	68	3.88	Aluminum	Plastic	No	0.17" (4.3 mm)	UL Recognized Component, CSA Certified	0000000	000000

Equipment-Cooling Fans

Also known as muffin fans, these keep heat-sensitive equipment such as electronic components cool. All have UL recognized components and are CSA certified. Fans with quick-disconnect (QD) terminals are compatible with quick-disconnect (QD) power cords.

Ball bearings reduce heat generated during operation, which extends the life of the fan.

For technical drawings and 3-D models, click on a part number.

Round

Overall
Dia.	Dp.	Airflow, cfm	Temp. Range, °F	Volume, dBA	Current, A	Frame Material	Blade Material	Bearing Type	Mounting Fasteners Included	Mounting Hole Dia.		Each
120V AC, Single Phase, 50Hz/60Hz—Wire Leads
5.91" (150 mm)	2.17" (55.1 mm)	225	-10° to 120°	62	0.40	Aluminum	Steel	Ball	No	0.169" (4.3 mm)	0000000	0000000
120V AC, Single Phase, 50Hz/60Hz—Quick-Disconnect Terminals
5.91" (150 mm)	2.17" (55.1 mm)	190	-10° to 120°	53	0.33	Aluminum	Steel	Ball	No	0.169" (4.3 mm)	0000000	000000
6.77" (172 mm)	2" (50.8 mm)	294.2	-10° to 140°	58	0.25	Aluminum	Steel	Ball	No	0.181" (4.6 mm)	0000000	000000
10" (254 mm)	3.5" (88.9 mm)	600	0° to 155°	49	0.22	Aluminum	Plastic	Ball	No	0.177" (4.5 mm)	0000000	000000
230V AC, Single Phase, 50Hz/60Hz—Wire Leads
5.91" (150 mm)	2.17" (55.1 mm)	230	-10° to 120°	62	0.20	Aluminum	Steel	Ball	No	0.169" (4.3 mm)	0000000	000000
230V AC, Single Phase, 50Hz/60Hz—Quick-Disconnect Terminals
5.91" (150 mm)	2.17" (55.1 mm)	200	-10° to 120°	53	0.17	Aluminum	Steel	Ball	No	0.169" (4.3 mm)	0000000	000000
6.77" (172 mm)	2" (50.8 mm)	294.2	-10° to 140°	58	0.13	Aluminum	Steel	Ball	No	0.181" (4.6 mm)	0000000	000000
10" (254 mm)	3.5" (88.9 mm)	600	0° to 155°	49	0.14	Aluminum	Plastic	Ball	No	0.177" (4.5 mm)	0000000	000000

High-Output Equipment-Cooling Fans

These fans produce greater airflow than standard equipment-cooling fans. Also known as muffin fans and electrically commutated (EC) fans, they keep heat-sensitive equipment such as electronic components cool. Ball bearings keep them running smoothly and quietly, reducing friction to increase their lifespan. All have UL recognized components and some are CSA certified.

For technical drawings and 3-D models, click on a part number.

Round

Overall
Dia.	Dp.	Airflow, cfm	Temp. Range, °F	Volume, dBA	Current, A	Frame Material	Blade Material	Mounting Fasteners Included	Mounting Hole Dia.	Specifications Met		Each
85-265V AC, Single Phase, 50Hz/60Hz—Wire Leads
6.77" (172 mm)	3.28" (83.3 mm)	205	0° to 160°	50	0.12	Aluminum	Plastic	No	0.169" (4.3 mm)	UL Recognized Component, CSA Certified	0000000	0000000
95-260V AC, Single Phase, 50Hz/60Hz—Wire Leads
10" (254 mm)	3.5" (89 mm)	500	0° to 155°	56	0.23	Aluminum	Plastic	No	0.181" (4.6 mm)	UL Recognized Component, C-UL Recognized Component, CE Marked	0000000	000000
120V AC, Single Phase, 50Hz/60Hz—Wire Leads
9.84" (250 mm)	2.99" (76 mm)	290 460	-10° to 120°	44 55	0.1 0.4	Plastic	Steel	No	0.169" (4.3 mm)	UL Recognized Component, C-UL Recognized Component, CE Marked	0000000	000000
10" (254 mm)	3.5" (89 mm)	830	0° to 155°	70	1.05	Aluminum	Plastic	No	0.181" (4.6 mm)	UL Recognized Component, C-UL Recognized Component, CE Marked	0000000	000000
230V AC, Single Phase, 50Hz/60Hz—Wire Leads
9.84" (250 mm)	2.99" (76 mm)	290 460	-10° to 120°	44 55	0.1 0.2	Plastic	Steel	No	0.169" (4.3 mm)	UL Recognized Component, C-UL Recognized Component, CE Marked	0000000	000000
10" (254 mm)	3.5" (89 mm)	830	0° to 155°	70	0.64	Aluminum	Plastic	No	0.181" (4.6 mm)	UL Recognized Component, C-UL Recognized Component, CE Marked	0000000	000000

High-Temperature Equipment-Cooling Fans

While standard equipment-cooling fan motors degrade when used in high-temperature areas, these fans run continuously without issue in temperatures up to 190° F. They are made entirely of metal and are lubricated with high-temperature bearing grease. This means they are often used to cool electronics near higher temperature areas, such as near commercial ovens. These fans have ball bearings that reduce friction as they run, extending their life. Their bearings also decrease noise for quiet operation.

For technical drawings and 3-D models, click on a part number.

Round

Overall
Diameter, mm	Depth, mm	Airflow, cfm	Temp. Range, °F	Volume (Sound), dBA	Current, A	Frame Material	Blade Material	Bearing Type	Mounting Fasteners Included	Mounting Hole Diameter, mm	Specifications Met		Each
115V AC, Single Phase, 60Hz—Wire Leads
150	55	230	-40° to 190°	53	0.47	Aluminum	Steel	Ball	No	4.3	C-UL Recognized Component, CE Marked, TUV Rheinland Certified, UL Recognized Component	0000000	000000
115V AC, Single Phase, 60Hz—Quick-Disconnect Terminals
150	55	230	-40° to 190°	53	0.47	Aluminum	Steel	Ball	No	4.2	C-UL Recognized Component, CE Marked, TUV Rheinland Certified, UL Recognized Component	0000000	00000
230V AC, Single Phase, 60Hz—Wire Leads
150	55	230	-40° to 190°	53	0.23	Aluminum	Steel	Ball	No	4.3	C-UL Recognized Component, CE Marked, TUV Rheinland Certified, UL Recognized Component	0000000	00000
230V AC, Single Phase, 60Hz—Quick-Disconnect Terminals
150	55	230	-40° to 190°	53	0.23	Aluminum	Steel	Ball	No	4.2	C-UL Recognized Component, CE Marked, TUV Rheinland Certified, UL Recognized Component	0000000	00000

Wet-Location Equipment-Cooling Fans

Able to withstand dust and water splashes, these fans are IP rated. Also known as muffin fans, they keep heat-sensitive equipment such as electronic components cool. All have ball bearings to lower the heat that is generated from the fans for a longer service life. They also have UL recognized components.

IP55-rated fans can also stand up to washdowns from low-pressure jets of water.

Install fans with wire leads directly to your power source—there’s no need for additional connectors.

Use fans with quick-disconnect terminals to quickly connect and disconnect wiring from the terminal. Optional quick-disconnect power cords allow you to add a NEMA plug to these fans, so you can connect them to a standard outlet.

For technical drawings and 3-D models, click on a part number.

Round

Overall
Dia.	Dp.	Airflow, cfm	Temp. Range, °F	Volume, dBA	Current, A	Frame Material	Blade Material	Bearing Type	Mounting Fasteners Included	Mounting Hole Dia.	Environmental Rating		Each
85-265V AC, Single Phase, 50Hz/60Hz—Wire Leads
6.77" (172 mm)	2" (50.8 mm)	205	0° to 160°	50	0.14	Aluminum	Plastic	Ball	No	0.17" (4.3 mm)	IP54	0000000	0000000
100-120V AC, Single Phase, 50Hz/60Hz—Wire Leads
6.77" (172 mm)	2.01" (51 mm)	190 215	-20° to 175°	59	0.40 0.36	Aluminum	Steel	Ball	No	0.177" (4.5 mm)	IP55	0000000	00000
6.77" (172 mm)	2.17" (55 mm)	183 210	-20° to 175°	58.1	0.40 0.36	Aluminum	Steel	Ball	No	0.177" (4.5 mm)	IP55	0000000	00000
100-120V AC, Single Phase, 50Hz/60Hz—Quick-Disconnect Terminals
6.77" (172 mm)	2.01" (51 mm)	190 215	-20° to 175°	59	0.40 0.36	Aluminum	Steel	Ball	No	0.177" (4.5 mm)	IP55	0000000	00000
105-125V AC, Single Phase, 60Hz—Quick-Disconnect Terminals
10" (254 mm)	3.5" (89 mm)	550	-40° to 155°	55	0.29	Aluminum	Plastic	Ball	No	0.181" (4.6 mm)	IP55	0000000	00000
200-240V AC, Single Phase, 50Hz/60Hz—Wire Leads
6.77" (172 mm)	2.01" (51 mm)	190 215	-20° to 175°	59	0.20 0.18	Aluminum	Steel	Ball	No	0.177" (4.5 mm)	IP55	0000000	00000
6.77" (172 mm)	2.17" (55 mm)	183 210	-20° to 175°	58.1	0.20 0.18	Aluminum	Steel	Ball	No	0.177" (4.5 mm)	IP55	0000000	00000
210-250V AC, Single Phase, 60Hz—Quick-Disconnect Terminals
10" (254 mm)	3.5" (89 mm)	550	-40° to 155°	55	0.14	Aluminum	Plastic	Ball	No	0.181" (4.6 mm)	IP55	0000000	00000

High-Pressure Washdown Equipment-Cooling Fans

Cool down electronics in areas that require frequent and intense sanitizing. Rated IP69K, these AC-powered fans withstand harsh jets of water and block dust from reaching their motor. All have ball bearings that reduce friction and heat from operation, extending their life. Also known as muffin fans.

For technical drawings and 3-D models, click on a part number.

Round

Round

Overall
Diameter, mm	Depth, mm	Airflow, cfm	Volume, dBA	Current, A	Mounting Fasteners Included	Mounting Hole Diameter, mm	Environmental Rating	Specifications Met		Each
Aluminum Frame with Steel Blades
115V AC, Single Phase, 60Hz—Wire Leads
254	89	1,000	70	0.87	No	4.3	IP69K	CE Marked, UL Recognized Component	0000000	0000000
230V AC, Single Phase, 60Hz—Wire Leads
254	89	1,000	70	0.46	No	4.3	IP69K	CE Marked, UL Recognized Component	0000000	000000

Submersible Equipment-Cooling Fans

Able to withstand submersion in up to 3 meters of water, these fans cool electronics in food processing areas and outdoors. Ball bearings keep them running smoothly and quietly, reducing friction to increase their lifespan. Also known as muffin fans.

For technical drawings and 3-D models, click on a part number.

Round

Round

Overall
Diameter, mm	Depth, mm	Airflow, cfm	Temp. Range, °F	Volume, dBA	Current, A	Mounting Fasteners Included	Mounting Hole Diameter (No. of Mounting Holes)	Environmental Rating	Specifications Met		Each
120V AC, Single Phase, 50Hz/60Hz—Wire Leads
220	70	485	-20° to 175°	68.2	0.91	No	4.3mm (16)	IP68	C-UL Recognized Component, CE Marked, UL Recognized Component	0000000	0000000
254	89	930	-20° to 175°	67	0.91	No	4.3mm (16)	IP68	C-UL Recognized Component, CE Marked, UL Recognized Component	0000000	000000
254	89	1,000	-20° to 175°	70	0.91	No	4.3mm (16)	IP68	C-UL Recognized Component, CE Marked, UL Recognized Component	0000000	000000
230V AC, Single Phase, 50Hz/60Hz—Wire Leads
220	70	485	-20° to 175°	68.2	0.46	No	4.3mm (16)	IP68	C-UL Recognized Component, CE Marked, UL Recognized Component	0000000	000000
254	89	930	-20° to 175°	67	0.46	No	4.3mm (16)	IP68	C-UL Recognized Component, CE Marked, UL Recognized Component	0000000	000000
254	89	1,000	-20° to 175°	70	0.46	No	4.3mm (16)	IP68	C-UL Recognized Component, CE Marked, UL Recognized Component	0000000	000000

Equipment-Cooling Fan Kits

Kits include a fan, guard, and power cord. They keep heat-sensitive equipment such as electronic components cool.

Round

Round with Steel or Stainless Steel Fan Guard

Overall
Dia.	Dp.	Airflow, cfm	Temp. Range, °F	Volume, dBA	Current, A	Frame Material	Mounting Fasteners Included	Mounting Hole Dia.		Each
With Steel Fan Guard
120V AC, Single Phase, 50Hz/60Hz—Two Prong Plug
10" (254 mm)	3.5" (89 mm)	600	0° to 155°	49	0.24	Aluminum	No	0.157" (4 mm)	000000	0000000
230V AC, Single Phase, 50Hz/60Hz—Three Prong Plug
10" (254 mm)	3.5" (89 mm)	600	0° to 155°	49	0.14	Aluminum	No	0.157" (4 mm)	0000000	000000
With Steel Fan Guard and On/Off Switch
120V AC, Single Phase, 50Hz/60Hz—Two Prong Plug
10" (254 mm)	3.5" (89 mm)	600	0° to 155°	49	0.24	Aluminum	No	0.157" (4 mm)	0000000	000000
With 304 Stainless Steel Fan Guard
120V AC, Single Phase, 50Hz/60Hz—Two Prong Plug
10" (254 mm)	3.5" (89 mm)	600	0° to 155°	49	0.24	Aluminum	No	0.157" (4 mm)	0000000	000000
230V AC, Single Phase, 50Hz/60Hz—Three Prong Plug
10" (254 mm)	3.5" (89 mm)	600	0° to 155°	49	0.14	Aluminum	No	0.157" (4 mm)	0000000	000000

Equipment-Cooling Fan Kits with Thermostat

Thermostat allows the fans in these kits to switch on only when needed. All kits include a fan, guard, and power cord. They keep heat-sensitive equipment such as electronic components cool.

Round

Overall
Dia.	Dp.	Airflow, cfm	Temp. Range, °F	Volume, dBA	Current, A	Frame Material	Thermostat Temp. Range, °F	Mounting Fasteners Included	Mounting Hole Dia.		Each
With Fan and Steel Fan Guard
120V AC, Single Phase, 50Hz/60Hz—Two Prong Plug
10" (254 mm)	3.5" (89 mm)	600	0° to 155°	49	0.24	Aluminum	75° to 86°	No	0.157" (4 mm)	0000000	0000000

Wet-Location Equipment-Cooling Fan Kits

Cool heat-sensitive electronics without having to hardwire your fan—these kits include the fan, guard, and power cord. They’re IP-rated to withstand dust, light rinses, and other wet environments. The guard prevents accidental contact with fan blades, which helps avoid injury. All have ball bearings to reduce the heat that’s generated from the fans for a longer service life.

For technical drawings and 3-D models, click on a part number.

Round

Round with 304 Stainless Steel Fan Guard

Overall
Diameter, mm	Depth, mm	Airflow, cfm	Temperature Range, °F	Volume, dBA	Current, A	Frame Material	Blade Material	Mounting Fasteners Included	Mounting Hole Dia., mm	Environmental Rating	Specifications Met		Each
With 304 Stainless Steel Fan Guard
115V AC, Single Phase, 50Hz/60Hz—Two Prong Plug
254	89	550	0° to 155°	50	0.66	Aluminum	Plastic	No	4	IP55	UL Listed	0000000	0000000

Edge-Flow Equipment-Cooling Blowers

For use in tight spaces where other equipment-cooling blowers won't fit, air enters through the center of these blowers and then expels along the edges. They create a more concentrated stream of air than equipment-cooling fans to blow away the heat generated by electronic equipment, induction heaters, and high-wattage bulbs. Use them to keep heat-sensitive equipment such as electronic components cool.

Round blowers are also known as motorized impellers.

For technical drawings and 3-D models, click on a part number.

Round

Overall
Dia.	Dp.	Airflow, cfm	Temp. Range, °F	Volume, dBA	Motor Speed, rpm	Current, A		Each
120V AC, Single Phase, 50Hz/60Hz—Wire Leads
7.48" (190 mm)	2.7" (68.5 mm)	305	-10° to 145°	60	2,450	0.7	00000000	0000000
8.66" (220 mm)	2.8" (71.12 mm)	530	-10° to 85°	74	2,700	0.4	00000000	000000
120V AC, Single Phase, 60Hz—Wire Leads
5.24" (133 mm)	3.6" (91.44 mm)	200	-10° to 100°	66	3,250	0.3	00000000	000000
230V AC, Single Phase, 60Hz—Wire Leads
8.66" (220 mm)	2.8" (71.12 mm)	530	-10° to 100°	74	2,700	0.9	00000000	000000

DC Enclosure-Cooling Fans

Operate these fans with a DC power source. They protect equipment in enclosures and cabinets from heat. All of these fans are reversible to exhaust hot air out or draw cooler outside air in.

For technical drawings and 3-D models, click on a part number.

Round
Overall Dia.	Airflow, cfm	Motor Speed, rpm	Current, A	Blade Material	Guard Material	Mounting Fasteners Included	Mounting Hole Dia.		Each
12V DC—Wire Leads
12"	950	2,700	7.9	Plastic	Plastic	No	1/4"	0000000	0000000
14 3/8"	1,100	2,300	7.7	Plastic	Plastic	No	1/4"	0000000	000000
15 9/16"	1,500	2,200	10.1	Plastic	Plastic	No	1/4"	0000000	000000
17 1/16"	2,100	2,700	18.0	Plastic	Plastic	No	1/4"	0000000	000000

Enclosure-Cooling Blowers

60 Cfm

155 Cfm

Create a more concentrated stream of air than enclosure-cooling fans to cool equipment faster. To save space inside enclosures, these blowers can mount outside. They draw cooler outside air into your enclosure or exhaust hot air through a louvered outlet vent. Incoming air is filtered to keep out dust and contaminants.

60 cfm blower has an open dripproof motor enclosure for relatively clean, dry, indoor locations.

155 cfm blower has a totally enclosed motor enclosure for use in dirty, dusty, and damp environments.

Replacement filters are sold separately.

For technical drawings and 3-D models, click on a part number.

Blowers
Overall												Replacement Prefilters		Replacement Main Filters
Ht.	Wd.	Dp.	Outlet Dia.	Outlet Ht.	Outlet Wd.	Airflow, cfm	Volume, dBA	Motor Speed, rpm	Current, A		Each		Each		Each
Round
120V AC, Single Phase, 60Hz—Wire Leads
10 1/2"	6 1/2"	6 1/2"	4"	__	__	60	__	3,200	0.5	0000000	0000000	0000000	000000	0000000	000000
11 1/4"	7 3/4"	7"	__	4 3/8"	3 7/8"	155	70	2,350	0.7	0000000	000000	0000000	00000	0000000	000000