4-Blade Fan Blades | McMaster-Carr

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Blade Diameter

Shaft Diameter

Number of Blades

Blade Material

For Shaft Shape

Blade Direction

Power @ Maximum Motor Speed

Blade Pitch

Airflow @ Maximum Motor Speed

Power

Material

Hub Material

Motor Speed

Blade Finished Material

Aluminum

Galvanized Steel

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

EAR99

RoHS

Compliant

Compliant with Exemptions

REACH

73 Products

Fan Blades


Style A	Style B

Style C	Style E

Keyway

Replace worn and damaged fan blades. Use the included set screw or shaft collar to fasten a blade to your fan's shaft. Fan blades with a keyway are for use on motors with a keyed shaft. For difficult-to-remove hubs and fan blades, use fan blade pullers (not included).

Styles A-C—Styles A-C blades are for use in low-airflow applications.

Style E—Style E blades are cupped to create a focused stream of high airflow.

		Blade
	Style	Dia.	No. of	Pitch	Direction	For Max. Motor Speed, rpm	Airflow @ Max. Motor Speed, ft³/min	Power @ Max. Motor Speed, hp	Hub Material	Includes		Each
Aluminum Blade







				For Round Shaft with 3/16" Dia.

				A	6"	4	20°	Clockwise	4,200	320	0.02	Aluminum	Set Screw	17545K31	000000


				A	6 1/2"	4	20°	Clockwise	4,200	350	0.03	Aluminum	Set Screw	17545K32	00000




						For Round Shaft with 5/16" Dia.

						B	10"	4	23°	Clockwise	1,800	650	0.03	Steel	Shaft Collar	2090K192	00000


						B	12"	4	23°	Clockwise	1,800	1,400	0.08	Steel	Shaft Collar	2090K212	00000
						B	14"	4	23°	Clockwise	1,800	1,860	0.14	Steel	Shaft Collar	2090K322	00000
						B	16"	4	23°	Clockwise	1,800	2,690	0.27	Steel	Shaft Collar	2090K332	00000
						C	18"	4	23°	Clockwise	1,800	2,700	0.18	Steel	Shaft Collar	2090K242	000000




								For Round Shaft with 1/2" Dia.

								B	10"	4	23°	Clockwise	1,800	650	0.03	Steel	Shaft Collar	2090K194	00000


								B	12"	4	23°	Clockwise	1,800	1,400	0.08	Steel	Shaft Collar	2090K214	00000
								B	14"	4	23°	Clockwise	1,800	1,860	0.14	Steel	Shaft Collar	2090K324	00000
								B	16"	4	23°	Clockwise	1,800	2,690	0.27	Steel	Shaft Collar	2090K334	00000
								C	18"	4	23°	Clockwise	1,800	2,700	0.18	Steel	Shaft Collar	2090K244	000000
								C	20"	4	23°	Clockwise	1,800	3,500	0.32	Steel	Shaft Collar	2090K251	000000
								C	24"	4	18°	Clockwise	900	2,680	0.1	Steel	Shaft Collar	2090K274	000000




										For Keyed Shaft with 5/8" Dia.

										B	10"	4	23°	Clockwise	1,800	650	0.03	Steel	Shaft Collar	2090K195	00000


										B	12"	4	23°	Clockwise	1,800	1,400	0.08	Steel	Shaft Collar	2090K215	00000
										B	14"	4	23°	Clockwise	1,800	1,860	0.14	Steel	Shaft Collar	2090K325	00000
										B	16"	4	23°	Clockwise	1,800	2,690	0.27	Steel	Shaft Collar	2090K335	00000
										C	18"	4	23°	Clockwise	1,800	2,700	0.18	Steel	Shaft Collar	2090K245	000000
										C	20"	4	23°	Clockwise	1,800	3,500	0.32	Steel	Shaft Collar	2090K252	000000


										Galvanized Steel Blade







	For Keyed Shaft with 1/2" Dia.

	E												18"	4	36°	Clockwise	2,125	4,400	0.8	Steel	Shaft Collar	19055K671	000000


	E	20"											4	36°	Clockwise	1,925	5,600	1	Steel	Shaft Collar	19055K681	000000
	E	24"	4										36°	Clockwise	1,325	7,900	1	Steel	Shaft Collar	19055K811	000000
	E	26"	4										38°	Clockwise	1,125	9,000	1.1	Steel	Shaft Collar	19055K821	000000
	E	28"	4										38°	Clockwise	950	10,200	1	Steel	Shaft Collar	19055K831	000000
	E	30"	4										35°	Clockwise	950	10,500	1.3	Steel	Shaft Collar	19055K841	000000
	E	36"	4										38°	Clockwise	750	15,100	1.5	Steel	Shaft Collar	19055K851	000000
	E	42"	4										38°	Clockwise	625	19,400	2	Steel	Shaft Collar	19055K861	000000
	E	48"	4										39°	Clockwise	525	24,900	2.5	Steel	Shaft Collar	19055K871	000000




			For Keyed Shaft with 5/8" Dia.

			E	18"	4								36°	Clockwise	2,125	4,400	0.8	Steel	Shaft Collar	19055K672	000000


			E	20"	4								36°	Clockwise	1,925	5,600	1	Steel	Shaft Collar	19055K682	000000
			E	24"	4								36°	Clockwise	1,325	7,900	1	Steel	Shaft Collar	19055K812	000000
			E	26"	4								38°	Clockwise	1,125	9,000	1.1	Steel	Shaft Collar	19055K822	000000
			E	28"	4								38°	Clockwise	950	10,200	1	Steel	Shaft Collar	19055K832	000000
			E	30"	4								35°	Clockwise	950	10,500	1.3	Steel	Shaft Collar	19055K842	000000
			E	36"	4								38°	Clockwise	750	15,100	1.5	Steel	Shaft Collar	19055K852	000000
			E	42"	4								38°	Clockwise	625	19,400	2	Steel	Shaft Collar	19055K862	000000
			E	48"	4	39°							Clockwise	525	24,900	2.5	Steel	Shaft Collar	19055K872	000000




					For Keyed Shaft with 7/8" Dia.

					E	18"	4						36°	Clockwise	2,125	4,400	0.8	Steel	Shaft Collar	19055K674	000000


					E	20"	4						36°	Clockwise	1,925	5,600	1	Steel	Shaft Collar	19055K684	000000
					E	24"	4						36°	Clockwise	1,325	7,900	1	Steel	Shaft Collar	19055K814	000000
					E	26"	4						38°	Clockwise	1,125	9,000	1.1	Steel	Shaft Collar	19055K824	000000
					E	28"	4						38°	Clockwise	950	10,200	1	Steel	Shaft Collar	19055K834	000000
					E	30"	4						35°	Clockwise	950	10,500	1.3	Steel	Shaft Collar	19055K844	000000
					E	36"	4						38°	Clockwise	750	15,100	1.5	Steel	Shaft Collar	19055K854	000000
					E	42"	4	38°					Clockwise	625	19,400	2	Steel	Shaft Collar	19055K864	000000
					E	48"	4	39°	Clockwise				525	24,900	2.5	Steel	Shaft Collar	19055K874	000000




							For Keyed Shaft with 1" Dia.

							E	18"	4				36°	Clockwise	2,125	4,400	0.8	Steel	Shaft Collar	19055K675	000000


							E	20"	4				36°	Clockwise	1,925	5,600	1	Steel	Shaft Collar	19055K685	000000
							E	24"	4				36°	Clockwise	1,325	7,900	1	Steel	Shaft Collar	19055K815	000000
							E	26"	4				38°	Clockwise	1,125	9,000	1.1	Steel	Shaft Collar	19055K825	000000
							E	28"	4				38°	Clockwise	950	10,200	1	Steel	Shaft Collar	19055K835	000000
							E	30"	4				35°	Clockwise	950	10,500	1.3	Steel	Shaft Collar	19055K845	000000
							E	36"	4	38°			Clockwise	750	15,100	1.5	Steel	Shaft Collar	19055K855	000000
							E	42"	4	38°	Clockwise		625	19,400	2	Steel	Shaft Collar	19055K865	000000
E							48"	4	39°	Clockwise	525		24,900	2.5	Steel	Shaft Collar	19055K875	000000




								For Keyed Shaft with 1 3/16" Dia.

								E	18"	4	36°	Clockwise	2,125	4,400	0.8	Steel	Shaft Collar	19055K677	000000


								E	20"	4	36°	Clockwise	1,925	5,600	1	Steel	Shaft Collar	19055K687	000000
								E	24"	4	36°	Clockwise	1,325	7,900	1	Steel	Shaft Collar	19055K817	000000
								E	26"	4	38°	Clockwise	1,125	9,000	1.1	Steel	Shaft Collar	19055K827	000000
								E	28"	4	38°	Clockwise	950	10,200	1	Steel	Shaft Collar	19055K837	000000
								E	36"	4	38°	Clockwise	750	15,100	1.5	Steel	Shaft Collar	19055K857	000000
								E	42"	4	38°	Clockwise	625	19,400	2	Steel	Shaft Collar	19055K867	000000
	E							48"	4	39°	Clockwise	525	24,900	2.5	Steel	Shaft Collar	19055K877	000000




								For Keyed Shaft with 1 3/8" Dia.

								E	18"	4	36°	Clockwise	2,125	4,400	0.8	Steel	Shaft Collar	19055K679	000000


								E	20"	4	36°	Clockwise	1,925	5,600	1	Steel	Shaft Collar	19055K689	000000
								E	24"	4	36°	Clockwise	1,325	7,900	1	Steel	Shaft Collar	19055K819	000000
								E	26"	4	38°	Clockwise	1,125	9,000	1.1	Steel	Shaft Collar	19055K829	000000
								E	28"	4	38°	Clockwise	950	10,200	1	Steel	Shaft Collar	19055K839	000000
								E	30"	4	35°	Clockwise	950	10,500	1.3	Steel	Shaft Collar	19055K849	000000
								E	36"	4	38°	Clockwise	750	15,100	1.5	Steel	Shaft Collar	19055K859	000000
								E	42"	4	38°	Clockwise	625	19,400	2	Steel	Shaft Collar	19055K869	000000
			E					48"	4	39°	Clockwise	525	24,900	2.5	Steel	Shaft Collar	19055K879	000000