| AJS / MATCHLESS |
| 250cc - 350cc (Single) | 1959 onwards | |
| Bearing Type | Quantity | Ref. Number |
| Front Hub (Not 14CS) | 2 | 043279 |
| Steering Head (Upper and Lower) : 14 only Other Models |
34 56 |
000021 000072 |
| Clutch Operating Rod | 1 | 011645 |
| Crankshaft (Driving Side) | 1 | 012542 |
| Crankpin (8 only) | 28 Rollers | 000075 |
| Crankpin (Other Models) | 20 Rollers | 000075 |
| Mainshaft | 1 | 012545 |
| Main Driving Gear | 1 | 041266 |
| Rear Hub (Not 14CS) | 2 | 043298 |
| 350cc - 500cc (Single) | 1948 onwards | |
| Bearing Type | Quantity | Ref. Number |
| Steering Head (Upper and Lower) | 56 | 000072 |
| Dynamo | 1 | 189289 |
| Magneto | 1 | 189291 |
| Crankshaft | 1 | 021872 |
| Crankshaft (Driving Side) | 2 | 017191 |
| Crankpin (1957 - 63) | 30 Rollers | 000075 |
| Crankpin (1963 onwards) | 28 Rollers | |
| Layshaft | 1 | 040100 |
| Mainshaft | 1 | 040098 040099 |
| Clutch (Up to 1956) | 24 | 18-2-1 |
| 500cc, 600cc and 650cc (Twin) | 1949 onwards | |
| Bearing Type | Quantity | Ref. Number |
| Steering Head (Upper and Lower) | 56 | 000072 |
| Dynamo | 1 | 189307 |
| Magneto | 1 | 189291 |
| Crankshaft | 2 | 11543 |
| Layshaft | 1 | 040100 |
| Mainshaft | 1 | 040098 040099 |
| Rear Hub | 2 | 021598 |
| Burman Gearbox Bearings | CP Type | |
| Bearing Type | Quantity | Ref. Number |
| High Gear Pinion Sleeve | 1 | 177-X-1 |
| Kick Start / Main Shaft | 1 | 68-X-1 |
| Burman Gearbox Bearings | GB Type | |
| Bearing Type | Quantity | Ref. Number |
| High Gear Pinion Sleeve | 1 | 38-11-1 |
| Kick Start / Main Shaft | 1 | 38-7-1 |
| ARIEL |
| 200cc (Single) | 1954 - 59 | |
| Bearing Type | Quantity | Ref. Number |
| Crankshaft (Driving Side) | 1 | 24-372 |
| Gearbox | 1 | 12422-54 |
| Rear Hub | 2 | 90-6063 |
| 250cc (Twin) | 1958 onwards | |
| Bearing Type | Quantity | Ref. Number |
| Front Hub (Left) | 1 | T1511 |
| Front Hub (Right) | 1 | T1510 |
| Steering Head (Upper) | 20 | S9-2 |
| Steering Head (Lower) | 23 | S9-2 |
| Crankshaft (Driving Side) | 1 | T34 |
| Crankshaft (Centre) | 1 | T34 |
| Crankshaft (Alternator Side) | 1 | T34 |
| Clutch Sprocket | 18 Rollers | T527 |
| Gearbox | 1 | T750 |
| Gearbox (Kickstart Side) | 1 | T836 |
| Rear Hub (Drive Side) | 1 | T1534 |
| Rear Hub (Right) | 1 | T1511 |
| 350cc - 500cc (Single) | 1946 - 61 | |
| Bearing Type | Quantity | Ref. Number |
| Front Hub | 2 | 4342-39 |
| Steering Head (Upper) | 20 | S9-2 |
| Steering Head (Lower) | 20 | S9-2 |
| Dynamo | 1 | 189291 |
| Crankshaft (Driving Side): NG/NH NG/NH VH |
1 1 1 |
1430-26 1440-30 1432-35 |
| Crankshaft (Timing Side) | 1 | 1440-30 |
| Crankpin: NG/NH VH |
1 1 |
A6-270 A7-608 |
| Rear Hub: NG/NH (Q-D Wheel) VH VH |
2 1 1 |
4342-39 4342-39 1440-30 |
| 350cc - 500cc (Single) | 1954 onwards | |
| Bearing Type | Quantity | Ref. Number |
| Front Hub | 2 | 4342-39 |
| Steering Head (Upper) | 20 | S9-2 |
| Steering Head (Lower) | 20 | S9-2 |
| Dynamo | 1 | 189291 |
| Crankshaft (Driving Side) | 1 1 |
1440-30 1432-35 |
| Crankshaft (Timing Side) | 1 | 1433-35 |
| Rear Hub | 1 1 |
4342-39 1440-30 |
| 500cc (Twin) | 1958 - 57 | |
| Bearing Type | Quantity | Ref. Number |
| Front Hub | 2 | 4342-39 |
| Crankshaft (Driving Side) | 1 | K141-48 |
| Rear Hub | 2 | 4342-39 |
| 650cc (Twin) | 1954 - 59 | |
| Bearing Type | Quantity | Ref. Number |
| Front Hub | 2 | 4342-50 |
| Crankshaft (Driving Side) | 1 | 10329-54 |
| Rear Hub | 2 | 4342-50 |
| 1000cc (Four) | 1946 - 59 | |
| Bearing Type | Quantity | Ref. Number |
| Front Hub | 2 | 4342-39 |
| Steering Head (Upper) | 20 | S9-2 |
| Steering Head (Lower) | 20 | S9-2 |
| Camshaft | 1 | 1463-31 |
| Crankshaft (Driving Side) | 2 | 1432-27 |
| Rear Hub | 1 1 |
4342-39 1440-30 |
| Burman Gearbox Bearings | CP Type | |
| Bearing Type | Quantity | Ref. Number |
| High Gear Pinion Sleeve | 1 | 3095-33 |
| Kick Start / Main Shaft | 1 | 3176-33 |
| Burman Gearbox Bearings | GB Type | |
| Bearing Type | Quantity | Ref. Number |
| High Gear Pinion Sleeve | 1 | 3095-33 |
| Kick Start / Main Shaft | 1 | 3176-33 |
| Burman Gearbox Bearings | BA Type | |
| Bearing Type | Quantity | Ref. Number |
| High Gear Pinion Sleeve | 1 | 3095-31 |
| Kick Start / Main Shaft | 1 | 3175-31 |
| BSA |
| Bantam D1 D3 D5 D7 D10 D14 | 1949 - 72 | |
| Bearing Type | Quantity | Ref. Number |
| Front Hub (D1 D3 D5) | 2 | 90-5525 |
| Front Hub (D7 D10 D14): Left Right |
1 1 |
90-6063 90-10 |
| Rear Hub: Rigid All others |
2 2 |
90-5525 90-10 |
| Crankshaft (D1 D3 D5 D7) - Large | 2 | 89-3023 |
| Crankshaft (D10 D14) - Large | 2 | 57-3621 |
| Crankshaft (All Models) - Small | 1 | 90-10 |
| Main Shaft (Gearbox Casing) | 1 | 90-11 |
| High Gear Pinion Sleeve | 1 | 90-12 |
| Steering Head (Upper) | 24 | 1-4676 |
| Steering Head (Lower) | 24 | 1-4676 |
| C15 B40 | 1958 - 67 | |
| Bearing Type | Quantity | Ref. Number |
| Front Hub C15 C15 Trials B40 |
2 2 2 |
90-10 65-5883 41-6016 |
| Rear Hub (left) | 1 | 42-5819 |
| Rear Hub (Right) | 1 | 90-10 |
| Steering Head | 48 | 1-4676 |
| Steering Head (Trials) | 40 | 1-4675 |
| Clutch Sprocket | 24 | 40-3206 |
| High Gear Pinion Sleeve | 1 | 29-3857 |
| Main Shaft (1964 Onwards) | 1 | 90-11 |
| Crankshaft (Drive Side) | 1 | 24-732 |
| Starfire B25 B44 B50 | 1968 - 1972 | |
| Bearing Type | Quantity | Ref. Number |
| Front Hub | 2 | 41-6016 |
| Front Hub (Conical Twin Leader) | 2 | 41-6016 |
| Rear Hub | 2 | 41-6016 |
| Rear Hub (Conical) | 2 | 41-6016 |
| Rear Sprocket (Early) | 1 | 41-6017 |
| Steering Head | 40 | 1-4675 |
| Clutch Sprocket | 24 | 43-260 |
| High Gear Pinion Sleeve | 1 | 29-3857 |
| Main Shaft | 1 | 90-11 |
| Crankshaft Drive Side Timing Side |
1 1 |
24-724 24-732 |
| A7 A10 | 1949-63 | |
| Bearing Type | Quantity | Ref. Number |
| Front Hub Plunger Swinging Arm 1954 - 55 Swinging Arm Ariel 1956 - 57 Full Width Swinging Arm 1958 Onwards |
2 2 2 2 |
65-5883 65-5883 89-3022 42-5819 |
| Rear Hub Plunger Swinging Arm 1954 - 55 Swinging Arm Ariel 1956 - 57 Full Width Swinging Arm 1958 Onwards |
2 2 1 1 |
65-5883 65-5883 89-3022 89-3022 |
| Rear Sprocket Plunger Swinging Arm 1954 - 55 Swinging Arm Ariel 1956 - 57 Full Width Swinging Arm 1958 Onwards |
1 1 1 1 |
89-3022 65-5883 89-3022 89-3022 |
| Crankshaft (Drive Side) | 1 | 67-670 |
| High Gear Pinion Sleeve | 1 | 24-4065 |
| Main Shaft | 1 | 24-4217 |
| Steering Head | 40 | 1-4675 |