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HMI Panels and PLC Modules: What They Do and How to Match a Replacement
When an HMI panel goes dark or a PLC module stops communicating, the machine it
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1 in stock
Tapered roller bearing cone, 5-1/32 in bore, single row. Class 3 precision. Cone only, 1 Pc.
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| MFR / Brand | Timken |
|---|---|
| MPN | 97503-3 |
| Model | 97503 #3 |
| Bearing Type | Tapered Roller Bearing Cone |
| ID | 5-1/32 in |
| Condition | New – Open box |
|---|---|
| Series | 97000 |
| Base Number | 97503 |
| Industry Terms | Tapered roller cone; taper bearing cone; inner ring and roller assembly; TS cone; Class 3 cone |
| Common Misspellings | Timkin; Timpken; 97530-3; 97503 -3 |
| Application Types | Heavy machinery shafts; gearboxes; mill and press equipment; precision high-load rotation |
| Condition Note | Made In USA, Class 3 Precision, New Old Stock |
| Bore Shaft Size | 5-1/32 in (5.03125 in, 127.79 mm) |
| Mpn Variants | 97503-3; 97503*3; 97503#3; 97503 3; 97503 |
| Manufacturer Status | Timken inch tapered roller programme |
| Number Of Rows | 1 |
| Harmonization Code | 8482.20.00 |
| Part Number | 97503-3 |
| Cone Part Number | 97503 |
| Cone Width | 1.9460 in |
| Cone Backface To Clear Radius | 0.14 in |
| Cone Frontface Backing Diameter | 5.65 in |
| Cage Cone Frontface Clearance | 0.21 in |
| Cage Cone Backface Clearance | 0.28 in |
| Effective Center Location | 0.52 in |
A Timken 97503-3 tapered roller bearing cone: the inner ring complete with its roller set and cage, with a 5-1/32 in bore. Cone only. A cone runs against a matching cup, which is a separate part number.
The trailing *3, also written -3 or #3, is Timken precision Class 3: a tighter bore and running accuracy grade than standard tolerance. The 97503 base number places the cone in Timken’s inch tapered roller programme.
Class 3 controls bore tolerance and raceway runout on the cone, which is what makes a tapered roller bearing suitable for positioning a shaft rather than only carrying it. The tighter bore also changes the shaft fit, so a Class 3 cone and a standard-tolerance cone of the same number are not fitted to the same shaft diameter.
One cone, single row.
The cone is an interference fit on the shaft. Running clearance or preload is set against the mating cup on assembly, measured at the shaft.
A 97503 cone at standard tolerance rather than Class 3 is a related size, since the precision grade is the substance of this part number. Cone and cup raceway angles are matched between the two halves of a given Timken pairing.
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