4-Blade Fan Blades | McMaster-Carr

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For Shaft Shape

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Material

Motor Speed

Blade Finished Material

Aluminum

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Export Control Classification Number (ECCN)

EAR99

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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	00000000	000000


				A	6 1/2"	4	20°	Clockwise	4,200	350	0.03	Aluminum	Set Screw	00000000	00000




						For Round Shaft with 5/16" Dia.

						B	10"	4	23°	Clockwise	1,800	650	0.03	Steel	Shaft Collar	00000000	00000


						B	12"	4	23°	Clockwise	1,800	1,400	0.08	Steel	Shaft Collar	00000000	00000
						B	14"	4	23°	Clockwise	1,800	1,860	0.14	Steel	Shaft Collar	00000000	00000
						B	16"	4	23°	Clockwise	1,800	2,690	0.27	Steel	Shaft Collar	00000000	00000
						C	18"	4	23°	Clockwise	1,800	2,700	0.18	Steel	Shaft Collar	00000000	000000




								For Round Shaft with 1/2" Dia.

								B	10"	4	23°	Clockwise	1,800	650	0.03	Steel	Shaft Collar	00000000	00000


								B	12"	4	23°	Clockwise	1,800	1,400	0.08	Steel	Shaft Collar	00000000	00000
								B	14"	4	23°	Clockwise	1,800	1,860	0.14	Steel	Shaft Collar	00000000	00000
								B	16"	4	23°	Clockwise	1,800	2,690	0.27	Steel	Shaft Collar	00000000	00000
								C	18"	4	23°	Clockwise	1,800	2,700	0.18	Steel	Shaft Collar	00000000	000000
								C	20"	4	23°	Clockwise	1,800	3,500	0.32	Steel	Shaft Collar	00000000	000000
								C	24"	4	18°	Clockwise	900	2,680	0.1	Steel	Shaft Collar	00000000	000000




										For Keyed Shaft with 5/8" Dia.

										B	10"	4	23°	Clockwise	1,800	650	0.03	Steel	Shaft Collar	00000000	00000


										B	12"	4	23°	Clockwise	1,800	1,400	0.08	Steel	Shaft Collar	00000000	00000
										B	14"	4	23°	Clockwise	1,800	1,860	0.14	Steel	Shaft Collar	00000000	00000
										B	16"	4	23°	Clockwise	1,800	2,690	0.27	Steel	Shaft Collar	00000000	00000
										C	18"	4	23°	Clockwise	1,800	2,700	0.18	Steel	Shaft Collar	00000000	000000
										C	20"	4	23°	Clockwise	1,800	3,500	0.32	Steel	Shaft Collar	00000000	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	000000000	000000


	E	20"											4	36°	Clockwise	1,925	5,600	1	Steel	Shaft Collar	000000000	000000
	E	24"	4										36°	Clockwise	1,325	7,900	1	Steel	Shaft Collar	000000000	000000
	E	26"	4										38°	Clockwise	1,125	9,000	1.1	Steel	Shaft Collar	000000000	000000
	E	28"	4										38°	Clockwise	950	10,200	1	Steel	Shaft Collar	000000000	000000
	E	30"	4										35°	Clockwise	950	10,500	1.3	Steel	Shaft Collar	000000000	000000
	E	36"	4										38°	Clockwise	750	15,100	1.5	Steel	Shaft Collar	000000000	000000
	E	42"	4										38°	Clockwise	625	19,400	2	Steel	Shaft Collar	000000000	000000
	E	48"	4										39°	Clockwise	525	24,900	2.5	Steel	Shaft Collar	000000000	000000




			For Keyed Shaft with 5/8" Dia.

			E	18"	4								36°	Clockwise	2,125	4,400	0.8	Steel	Shaft Collar	000000000	000000


			E	20"	4								36°	Clockwise	1,925	5,600	1	Steel	Shaft Collar	000000000	000000
			E	24"	4								36°	Clockwise	1,325	7,900	1	Steel	Shaft Collar	000000000	000000
			E	26"	4								38°	Clockwise	1,125	9,000	1.1	Steel	Shaft Collar	000000000	000000
			E	28"	4								38°	Clockwise	950	10,200	1	Steel	Shaft Collar	000000000	000000
			E	30"	4								35°	Clockwise	950	10,500	1.3	Steel	Shaft Collar	000000000	000000
			E	36"	4								38°	Clockwise	750	15,100	1.5	Steel	Shaft Collar	000000000	000000
			E	42"	4								38°	Clockwise	625	19,400	2	Steel	Shaft Collar	000000000	000000
			E	48"	4	39°							Clockwise	525	24,900	2.5	Steel	Shaft Collar	000000000	000000




					For Keyed Shaft with 7/8" Dia.

					E	18"	4						36°	Clockwise	2,125	4,400	0.8	Steel	Shaft Collar	000000000	000000


					E	20"	4						36°	Clockwise	1,925	5,600	1	Steel	Shaft Collar	000000000	000000
					E	24"	4						36°	Clockwise	1,325	7,900	1	Steel	Shaft Collar	000000000	000000
					E	26"	4						38°	Clockwise	1,125	9,000	1.1	Steel	Shaft Collar	000000000	000000
					E	28"	4						38°	Clockwise	950	10,200	1	Steel	Shaft Collar	000000000	000000
					E	30"	4						35°	Clockwise	950	10,500	1.3	Steel	Shaft Collar	000000000	000000
					E	36"	4						38°	Clockwise	750	15,100	1.5	Steel	Shaft Collar	000000000	000000
					E	42"	4	38°					Clockwise	625	19,400	2	Steel	Shaft Collar	000000000	000000
					E	48"	4	39°	Clockwise				525	24,900	2.5	Steel	Shaft Collar	000000000	000000




							For Keyed Shaft with 1" Dia.

							E	18"	4				36°	Clockwise	2,125	4,400	0.8	Steel	Shaft Collar	000000000	000000


							E	20"	4				36°	Clockwise	1,925	5,600	1	Steel	Shaft Collar	000000000	000000
							E	24"	4				36°	Clockwise	1,325	7,900	1	Steel	Shaft Collar	000000000	000000
							E	26"	4				38°	Clockwise	1,125	9,000	1.1	Steel	Shaft Collar	000000000	000000
							E	28"	4				38°	Clockwise	950	10,200	1	Steel	Shaft Collar	000000000	000000
							E	30"	4				35°	Clockwise	950	10,500	1.3	Steel	Shaft Collar	000000000	000000
							E	36"	4	38°			Clockwise	750	15,100	1.5	Steel	Shaft Collar	000000000	000000
							E	42"	4	38°	Clockwise		625	19,400	2	Steel	Shaft Collar	000000000	000000
E							48"	4	39°	Clockwise	525		24,900	2.5	Steel	Shaft Collar	000000000	000000




								For Keyed Shaft with 1 3/16" Dia.

								E	18"	4	36°	Clockwise	2,125	4,400	0.8	Steel	Shaft Collar	000000000	000000


								E	20"	4	36°	Clockwise	1,925	5,600	1	Steel	Shaft Collar	000000000	000000
								E	24"	4	36°	Clockwise	1,325	7,900	1	Steel	Shaft Collar	000000000	000000
								E	26"	4	38°	Clockwise	1,125	9,000	1.1	Steel	Shaft Collar	000000000	000000
								E	28"	4	38°	Clockwise	950	10,200	1	Steel	Shaft Collar	000000000	000000
								E	36"	4	38°	Clockwise	750	15,100	1.5	Steel	Shaft Collar	000000000	000000
								E	42"	4	38°	Clockwise	625	19,400	2	Steel	Shaft Collar	000000000	000000
	E							48"	4	39°	Clockwise	525	24,900	2.5	Steel	Shaft Collar	000000000	000000




								For Keyed Shaft with 1 3/8" Dia.

								E	18"	4	36°	Clockwise	2,125	4,400	0.8	Steel	Shaft Collar	000000000	000000


								E	20"	4	36°	Clockwise	1,925	5,600	1	Steel	Shaft Collar	000000000	000000
								E	24"	4	36°	Clockwise	1,325	7,900	1	Steel	Shaft Collar	000000000	000000
								E	26"	4	38°	Clockwise	1,125	9,000	1.1	Steel	Shaft Collar	000000000	000000
								E	28"	4	38°	Clockwise	950	10,200	1	Steel	Shaft Collar	000000000	000000
								E	30"	4	35°	Clockwise	950	10,500	1.3	Steel	Shaft Collar	000000000	000000
								E	36"	4	38°	Clockwise	750	15,100	1.5	Steel	Shaft Collar	000000000	000000
								E	42"	4	38°	Clockwise	625	19,400	2	Steel	Shaft Collar	000000000	000000
			E					48"	4	39°	Clockwise	525	24,900	2.5	Steel	Shaft Collar	000000000	000000