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Type SU Air Friction Clutch Model 121 & 151

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How to find the parts you need

Type SU Air Friction Clutch Model 121 & 151

① Scroll to view parts list below or download the spec sheet.

② Once you know which parts you want to order, request a parts quote.

Click to enlarge drawing

Type SU Air Friction Clutch Model 121 and 151
Item NumberDescriptionQuanity121-SU Mod. B Apr. 1963121-SU Mod. C Mar. 1970 121-SU Mod.D Aug.1975151-SU Mod D. Aug. 1975
RS-1Bearing Collar Screw6 pcs.1314-3-0027-21314-3-0027·2
Bearing Collar Screw3 pcs.1314-3-0027-21314-3-0027-2
RS-2Bearing Collar1 pc.3380-B-1825-23380-8-1825·23380-B-1825-23380-8-1825-2
RS-3Fw. Bearing Shims
.003" Thk. - Green2 pcs.0043-3-0222-20043-3-0222-23124-A-7137-23124-A-7137-2
.005" Thk. - Blue2 pcs.0043-3-0221-20043-3-0221-23124-A-7138-23124-A-7138-2
. .0075" Thk. - Trans .2 pcs.0043-3-0223-20043-3-0223-23124-A-7136-23124-A-7136-2
RS- 4Flywheel Bearings
1 Timken Cup2 pcs.6150-0-1500-26150-0-1500-26150-0-1500-26150-0-1500-2
Timken Cone1 pc. 6151-0-2181-26151-0-2181-26151-0-2181-26151-0-2181-2
RS-5Flywheel2 pcs.Check RecordCheck RecordCheck RecordCheck Record
RS-6Friction Disc Pin - Round1 pc.0042-3-0615-2
Friction Disc Pin - Round1 pc.0042-3-0615-23263-A-4127-23263-A-4127-2
RS-7Friction Disc Pin - Flat1 pc. 0042-3-0616-23261-A-6140-23261-A-6140-2
RS-8Keeper Plate - Round2 pcs.0043-3-0250-2
Keeper Plate - Round1 pc.0043-3-0250·20043-3-0250-20043-3-0250-2
RS-9Keeper Plate - Flat1 pc.0042-3-0427-20042-3-0427-20042-3-0427-2
RS-10Keeper Plate Screws4 pcs.1314-3-0008-21314-3-0008-21314- 3-0008-21314-3-0008-2
RS-11Brake Springs4 pcs.6661-0-0021-26661-0-0021-26661-0-0021 -26661-0-0021-2
RS-12Drive Pins8 pcs.0048-3-0104-20048-3-0104-20048-3-0104-20048-3-0104-2
RS-13Clutch Linings8 pcs.0042-1-0139-20042-1-0139-20042-1-0139-20042-1-0139-2
RS-14U-Packing - Outer1 pc.2314-A-6191 -22314-A-6191·22314-A-6191-22314-A-6191-2
RS-15U-Packing - Inner1 pc.5920-0-0045-25920-0-0045-25920-0-0045-25920-0-0045-2
RS-16Air Cylinder1 pc.0048-1-0102-23684-C-9220-23684-C-9227-23684-C-9228-2
RS-17Air Cylinder Bolts8 pcs.2013-Z-0790-21314-3-0026-21314-3-0026-21314-3-0026-2
*RS-18Air Swivel Assembly1 pc.0048-1-0232-40048-1-0232-4
RS-19Swivel Ball Bearings1 pc.2421-A-3113-2
Swivel Ball Bearing1 pc.2421-A-3113-22421-A-3112-22421-A-3112-2
Swivel Ball Bearing1 pc.2422-A-3713-22422-A-3712-22422-A-3712-2
RS-20Retainer Ring1 pc.Not Used2125-A-0058-22125-A-0053-22125-A-0053-2
RS-21U-Packing1 pc.Not UsedNot Used5920-0-0110-25920-0-0110-2
RS-22Alemite Fitting1 pc.2294-A-2101-22294-A-2462-28393-0-0150-28393-0-0150-2
RS-23Housing1 pc.0043-2-0001-2Not Used0048-2-0233-20048-3-0234-2
RS-24Spacer Ring1 pc.Not Used3318-A-6112-20048-3-0234-20048-3-0234-2
RS-25Reducer Bushing 1 pc.222-Z-4208-2222-Z-4208-2Not UsedNot Used
RS-26Retainer Ring1 pc.Not Used2125-A-1042·22125-Z-1039-22125-Z-1039-2
RS-27Swivel Sleeve1 pc.0043-2-0036-23369-A-9132-20048-2-0236-20048-2-0236·2
RS-28Sleeve Gasket1 pc.5840-0-0361-22311-A-2167-20048-3-0237-20048-3-0237-2
RS-29Air Cylinder Piston1 pc.0048-1-0103-20048-1-0103-20048-1-0103-20047-1-0096-2
RS-30Clutch Friction Disc Assembly1 pc.0043-2-0296-43684-B-4220-43684-B-4220-43684-B-4220-4
*RS-31Clutch Friction Disc1 pc.3491-C-3114-23491-C-3114-23491-C-3114-23491-C-3114-2
*RS-32Clutch Friction Disc Bush. - Round2 pcs.3341-8-6102-2
Clutch Friction Disc Bush. - Round1 pc.3341-8-6102-23341-8-6102-23341-8-6102-2
*RS-33Clutch Friction Disc Bush. - Flat1 pc.3344-8-9104-23344-8-9104-23344-8-9104-2
RS-34Clutch Lining Screws24 pcs.2011-Z-1583-22011-Z-1583-22011-Z-1583-22011-Z-1583-2
RS-35Clutch Lining Screw Nuts24 pcs.5815-0-0004-25815-0-0004-25815-0-0004-25815-0-0004-2
RS-36End Plate Screws4 pcs.1314-3-0018-21314-3-0018-21314-3-0018-21314-3-0018-2
RS-37End Plate - (Crankshaft)1 pc.0043-2-0108-20043-2-0108-23286-8-3115-23286-8-3115-2
RS-38Clutch Body1 pc.0043-1-0115-20043-1-0115-23684-C-7830-23684-C-7830-2
RS-39Shaft Key1 pc.5560-0-0359-25560-0-0359-25560-0-0359-25560-0-0359-2

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