This is a A-B1SB7124 Drive Pulley PN: B1SB7124Main Description As Following : A-B1SB7124 Drive Pulley P.N: B1SB7124 Double jackshaft wheel drive pulley fits 36", 48", 60" and 72" mid-size walk-behind units.Height: 1-3/4"Inside Diameter: 5/8"Keyway: 3/16"Outside Diameter: 3-1/4" Crossed From: JT-9801 J. THOMAS , JT9801 J. THOMAS , SCP124 MOW MORE , 165-491 FOLEY , 165491 FOLEY , 182186 JACOBSEN , 2AK32 GREEN MEADOW , 212183 LANDSCAPER PRO , 275-697 STENS , 275697 STENS , 292199 LANDSCAPER PRO , 32293 GREENLINE , 363137 ENCORE , 363137 FERRIS , 38210 BOBCAT , 48199 SCAG , 482645 SCAG , 509632 EDGE WATER , 7-05315 PRIME LINE , 705315 PRIME LINE Found in Section & Models : Tractor Parts Associated Items : New Also This is An Aftermarket Product And : High Quality Afternaket Shipped from Both US and Canada