Harley Davidson® Replacement Bearings
Transmission Rollers Short Rod RollersLong Rod Rollers
Long Side Valve RollersShort Side Valve RollersCrankcase Rollers
Crankcase & Wheel Bearing RollersTransmission Bearings
Since our founding in 1978, the Sonnax name has become synonymous with the highest quality products for the automotive aftermarket. We also are proud to be a leading supplier of Harley-Davidson replacement bearings for motorcycle transmission and engine applications.
Transmission Rollers
| Dimensions | Sonnax Part Number | OE Part Number | Application |
|---|---|---|---|
| .125" x .625" | HDBR0001 | 9084 | E'36-'77 Big Twin Mainshaft/E'36-'77 Big Twin Countershaft |
| .125" x .625" | HDBR0051 | 9086 | E'36-'77 Big Twin Mainshaft/E'36-'77 Big Twin Countershaft |
| .156" x .625" | HDBR0003 | 9096 | '52-'84 Sportster |
| .156" x .625" | HDBR0004 | 9097 | '52-'84 Sportster |
Short Rod Rollers
| Dimensions | Sonnax Part Number | OE Part Number | Application |
|---|---|---|---|
| .188" x .344" | HDBR0024 | 9101A | '51-'72 Big Twin |
| .188" x .344" | HDBR0026 | 9103A | '51-'72 Big Twin |
| .188" x .344" | HDBR0027 | 9104A | '51-'72 Big Twin |
| .188" x .294" | HDBR0009 | 9445A | E'54-'86 Sportster/'73-'86 Big Twin |
| .188" x .294" | HDBR0069 | 9415+.0015 | E'54-'86 Sportster/'73-'86 Big Twin |
| .188" x .294" | HDBR0072 | 9450-.0002 | E'54-'86 Sportster/'73-'86 Big Twin |
Long Rod Rollers
| Dimensions | Sonnax Part Number | OE Part Number | Application |
|---|---|---|---|
| .188" x .490" | HDBR0011 | 9150A | E'54-'86 Sportster |
| .188" x .490" | HDBR0012 | 9152A | E'54-'86 Sportster |
| .188" x .490" | HDBR0014 | 9156A | E'54-'86 Sportster |
| .188" x .490" | HDBR0015 | 9158A | E'54-'86 Sportster |
| .188" x .490" | HDBR0016 | 9160A | E'54-'86 Sportster |
| .188" x .490" | HDBR0059 | 9416+.0015 | E'54-'86 Sportster |
| .188" x .490" | HDBR0060 | 9161-.0002 | E'54-'86 Sportster |
| .188" X .662" | HDBR0031 | 9172A | '51-'72 Big Twin |
| .188" X .662" | HDBR0053 | 9174A | '51-'72 Big Twin |
| .188" X .662" | HDBR0054 | 9175A | '51-'72 Big Twin |
| .188" X .594" | HDBR0044 | 9182 | '73-'86 Big Twin |
| .188" X .594" | HDBR0062 | 9186+.003 | '73-'86 Big Twin |
| .188" X .594" | HDBR0047 | 9185 | '73-'86 Big Twin |
Long Side Valve Rollers
| Dimensions | Sonnax Part Number | OE Part Number | Application |
|---|---|---|---|
| .250" x .560" | HDBR0039 | 9241 | '29-'73 45CI |
| .250" x .560" | HDBR0064 | 9242 | '29-'73 45CI |
| .250" x .560" | HDBR0065 | 9243 | '29-'73 45CI |
| .250" x .560" | HDBR0066 | 9244 | '29-'73 45CI |
| .250" x .560" | HDBR0067 | 9245 | '29-'73 45CI |
| .250" x .560" | HDBR0068 | 9246 | '29-'73 45CI |
Short Side Valve Rollers
| Dimensions | Sonnax Part Number | OE Part Number | Application |
|---|---|---|---|
| .250" x .281" | HDBR0033 | 9301 | '29-'73 45CI |
| .250" x .281" | HDBR0034 | 9302 | '29-'73 45CI |
| .250" x .281" | HDBR0035 | 9303 | '29-'73 45CI |
| .250" x .281" | HDBR0036 | 9304 | '29-'73 45CI |
| .250" x .281" | HDBR0037 | 9305 | '29-'73 45CI |
| .250" x .281" | HDBR0038 | 9306 | '29-'73 45CI |
Crankcase Rollers
| Dimensions | Sonnax Part Number | OE Part Number | Application |
|---|---|---|---|
| .188" x .812" | HDBR0041 | 9423 | '57-'76 Sportster Right Side/'55-'57 Big Twin Right Side |
| .188" x .812" | HDBR0074 | 9424 | '57-'76 Sportster Right Side/'55-'57 Big Twin Right Side |
| .188" x .812" | HDBR0042 | 9425 | '57-'76 Sportster Right Side/'55-'57 Big Twin Right Side |
| .188" x .812" | HDBR0043 | 9426 | '57-'76 Sportster Right Side/'55-'57 Big Twin Right Side |
Crankcase & Wheel Bearing Rollers
| Dimensions | Sonnax Part Number | OE Part Number | Application |
|---|---|---|---|
| .250" x .500" | HDBR0021 | 9223A | '30-'57 Big Twin Left Case/'58-'86 Big Twin Right Case |
| .250" x .500" | HDBR0022 | 9224A | '30-'57 Big Twin Left Case/'58-'86 Big Twin Right Case |
| .250" x .500" | HDBR0023 | 9225A | '30-'57 Big Twin Left Case/'58-'86 Big Twin Right Case |
| .250" x .500" | HDBR0063 | 9220+.002 | '30-'57 Big Twin Left Case/'58-'86 Big Twin Right Case |
Transmission Bearings
| Sonnax Part Number | OE Part Number | Description | Application |
|---|---|---|---|
| HDBB0010 | 8990A | Front Cam Ball Bearing | Twin Cam '88 |
| HDBB0011 | 9025A | Main Shaft Ball Bearing | '57 to Early '84 |
| HDNB0001 | 9057 | Cam Gear Needle Bearing | Late '58-Later Sportster |
| HDNB0002 | 9058 | Cam Gear Needle Bearing | '58-'93 Big Twin |
| HDNB0003 | 9063 | Shaft Bearing, Outer | '65-'88 Big Twin/'67-'80 Sportster |
| HDNB0004 | 35961-52 | Countershaft Door Bearing | '77-'85 Big Twin/'54-'90 XL |
| HDNB0005 | 9020 | Mainshaft Bearing | '37-'86 Big Twin 4-Speed |
| HDNB0007 | 9062 | Shaft Bearing, Inner | '65-'88 Big Twin/'67-'80 Sportster |
| HDNB0008 | 9064 | Generator End Cover Bearing | '61-'81 Sportster XL, '61-69 74ci, 61-'65 45ci |
| HDNB0009 | 8905 | Main Drive Gear Bearing | Late '77-'81 Big Twin |
| HDNB0010 | 37312-75 | Throw Out Needle Bearing | '70-Later Big Twin |
| HDNB0011 | 37313-80 | Throw Out Needle Bearing Race | '70-Later Big Twin |
| HDNB0015 | 8977 | Countershaft Bearing, Left | '80-'93 Big Twin |
| HDNB0020 | 24641-87 | Pinion Bearing, Orange | '87 Big Twin |
| HDNB0021 | 24643-87 | Pinion Bearing, Blue | '87 Big Twin |
| HDNB0022 | 24626-87 | Pinion Bearing, White | '87 Big Twin |
| HDNB0023 | 24628-87 | Pinion Bearing, Green | '87 Big Twin |
| HDNB0027 | 9118 | Case Bearing, Right | Late '84-'90 Sportster |
| HDNB0028 | 9151 | Drum Bearing | '91 XL |
| HDNB0029 | 37722-52 | Clutch Sprocket Needle Bearing | '54-'70 Sportster |
| HDNB0030 | 35960-54 | Countershaft Case Bearing | '54-'90 Sportster |
| HDNB0031 | 8876A | Transmission Gear Bearing | '80-Later Big Twin, 5-Speed |
| HDNB0038 | 9198 | Twin Cam Inner Bearing | '98-Later |
| HDNB0039 | 24346-87A | Rod Roller Retainer w/Rollers | Big Twin |
| HDNB0042 | 9215 | Cam Bearing | '06 DYNA, '07-Later all Big Twin |
| HDNB0043 | 24648-77 | Pinion Shaft Bearing | '77-'86 Sportster |
| HDNB0044 | 38505-52 | Booster Clutch Bearing | '52-'67 |
| HDNB0045 | 8906 | Needle Bearing, Main Drive Gear | '82-'85 Big Twin |
| HDNB0046 | 35051-89 | 5th Gear Mainshaft | '91-Later Sportster XL |
| HDNB0047 | N/A | Left Case Bearing | '69-'99 Big Twin |
| HDTB0003 | 9052 | Wheel Bearing w/Race | '73-Later All Models |
| HDTB0006 | 48300-60 | Fork Stem Bearing w/Race | '49-Later Big Twin, '62-Later Sportster |
| HD-RB-01K | N/A | Crankshaft/Connecting Rod Bearing Kit | '88 , '99-'11 Twin Cam |
Sonnax Industries is an Employee-Owned Company
1 Automatic Drive · Bellows Falls, VT ·
05101-0440 · U.S.A.
800-843-2600 ·
802-463-9722