JohnstoneSupply.com 25 BELT DRIVE MOTORS 56 Frame Split-Phase Belt Drive Fan Motors Split-Phase, 56 Frame, Open Drip Proof Applications: • Sleeve bearing motor replacements for furnace blowers, belt driven fans, air coolers and similar applications with moderate torque requirements Features: • Automatic thermal protection • Continuous duty • All-angle mounting • 40°C rise • Reversible rotation • Complete with resilient base • Not recommended where automatic reset creates a hazard Order # Mfg. # Diam. HP Volts RPM Speeds F/L Amps Efficiency Shaft Diam. Shaft Length Rot. Bearing Type Wt. Lbs. Each S89-656 4114 6-3/10" 1/2 115/230 1725 1 8.00 68% 5/8" 1-9/10" Rev. SAB 22.0 1145.00 S88-297 4115 6-3/10" 3/4 115/230 1725 1 11.20 70% 5/8" 1-9/10" Rev. SAB 24.0 1199.00 Furnace Blower and Fan Duty Belt Drive Motor Split-Phase, 56 Frame, Dripproof Features: • Automatic thermal protection • Low starting amps • Resilient mounting furnished • 40°C ambient • Continuous duty • Reversible rotation • High Service Factors • 60 Hz • Class A insulation • Not recommended where automatic reset creates a hazard Order # Mfg. # Diam. HP Volts RPM Speeds F/L Amps Shaft Diam. Shaft Length Rot. Bearing Type Wt. Lbs. Each S87-878 056S17D2050 6-3/10" 1/2 115 1725 1 7.20 5/8" 1-7/8" Rev. Ball 20.0 719.00 Belt Drive Fan and Blower Motor Capacitor Start, 48 Frame, Open Dripproof Applications: • Widely used for rooftop heating and air conditioning units Features: • Automatic thermal protection • Reversible • Sleeve bearing • Capacitor and base included • Flatted shaft with 5/8" adapter Order # Mfg. # Diam. HP Volts RPM Speeds F/L Amps Efficiency Shaft Diam. Shaft Length Rot. Bearing Type Wt. Lbs. Each S88-065 430 5-5/8" 3/4 115/208-230 3450 1 9.20 73% 1/2" 1-1/2" Rev. SAB 22.0 1199.00 2-Speed Belt Drive Fan and Blower Motors Split-Phase, 56 Frame, Open Drip Proof • S87-774 is 56Z frame and has flatted shaft, S87-775 has keyed shaft Features: • No thermal protection • Reversible rotation • Continuous duty • 60 Hz • 40°C rise • Resilient base for all-angle mounting • Extended thru-bolts on shaft end • 1.0 Service Factor Order # Mfg. # Diam. HP Volts RPM Speeds F/L Amps Efficiency Shaft Diam. Shaft Length Rot. Bearing Type Wt. Lbs. Each S87-774 3053 6-3/10" 1/3-1/9 115 1800 2 7.10 61% 1/2" 1-1/2" Rev. SAB 19.0 755.00 S87-775 3306 6-3/10" 1/2-1/6 115 1800 2 9.20 58% 5/8" 1-7/8" Rev. SAB 26.0 965.00 Single-Speed Belt Drive Fan and Blower Motor Capacitor Start, 56 Frame, Open Dripproof Applications: • Widely used for rooftop heating and air conditioning units Features: • Automatic thermal protection • Reversible rotation • Capacitor and base included Order # Mfg. # Diam. HP Volts RPM Speeds F/L Amps Efficiency Shaft Diam. Shaft Length Rot. Bearing Type Wt. Lbs. Each S89-657 1769 6-3/10" 1 115/208-230 1725 1 14.00 74% 5/8" 1-9/10" Rev. SAB 30.0 1445.00
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