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Availability:
6 in stock
Matched duplex pair of 15° super-precision angular contact spindle bearings, 50 mm bore x 90 mm OD x 20 mm wide per bearing, ABEC 7 with a phenolic cage and light preload. Sold as 2 Pcs.
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$119.44
6 in stock
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| MFR / Brand | GMN |
|---|---|
| MPN | S6210CTXMA7DUL |
| Model | S 6210 C TXM A7 DUL / 2MM210WI CR DUL / 7210C T P4 DUL / ABEC7 |
| Bearing Type | Angular Contact Ball Bearing |
| Condition | New – Open box |
|---|---|
| Preload | Light (L) |
| Total Width | 40 mm as a duplex pair |
| Base Number | S6210C |
| Industry Terms | spindle bearing pair, super precision angular contact, phenolic cage bearing, duplex set, 15 degree angular contact, ABEC 7 bearing |
| Common Misspellings | GMN S6210CTXMA7DUI, GMN S621OCTXM, GNM S6210C, S6210C TXM A7 DUL, GMN S6210 CTX MA7 |
| Application Types | High-speed machine tool spindles, grinding spindles, router and drilling spindles, precision index heads |
| Condition Note | Made In Germany, New Old Stock, Dried Grease (Bearing May Need New Grease To Spin Freely) |
| Bore Shaft Size | 50 mm (1.9685 in) |
| Mpn Variants | S6210CTXMA7DUL, S-6210-C-TXM-ABEC7-DUL, S6210C TXM A7 DUL, S6210CTXM, S6210C |
| Manufacturer Status | GMN Paul Müller Industrie, active production |
| Number Of Rows | 1 per bearing |
| Part Number | S6210CTXMA7DUL |
A GMN S6210C-TXM-A7-DUL matched duplex pair of super-precision angular contact spindle bearings. Each bearing has a 50 mm bore, a 90 mm outside diameter and a 20 mm width, giving a 40 mm stack height for the pair.
S: GMN spindle bearing execution. 6210: 210 size series, 50 mm bore, 90 mm OD, 20 mm width. C: 15° contact angle. TX: fabric-laminate phenolic cage. M: GMN execution letter. A7: ABEC 7 precision, equivalent to P4. DUL: duplex universally ground, light preload.
A 15° contact angle keeps the load line close to radial, which limits centrifugal ball loading and raises the practical speed ceiling – the standard choice for high-speed spindles. The phenolic cage is light and self-lubricating, so it runs quietly at speed and tolerates marginal lubrication better than a steel cage; its working temperature ceiling is lower than brass, which sets the upper limit on continuous running. Light preload keeps friction and heat low, favouring thermal stability over maximum axial stiffness.
Bore: 50 mm (1.9685 in). Outside diameter: 90 mm (3.5433 in). Width per bearing: 20 mm (0.7874 in). Contact angle: 15°. Preload: light (L). Precision class: ABEC 7, equivalent to P4. Cage material: fabric-laminate phenolic. Number of rows: 1 per bearing. Rolling elements: steel balls. Closure: open. Arrangement: duplex universally ground pair.
Supplied as 2 Pcs, a matched duplex pair.
The factory grease has dried in storage. These bearings are cleaned and re-greased with the appropriate spindle grease before service.
Back-to-back or face-to-face orientation takes thrust in both directions; tandem takes thrust in one direction at doubled capacity.
Genuine equivalents are 15° ABEC 7 universally ground light-preload pairs in the same 50x90x20 mm envelope: Fafnir 2MM210WI-CR-DUL, FAG 7210-C-T-P4-DUL, NSK 7210CTRDULP4 and SKF 7210 CD/P4ADGA in light preload. The 25° build of this size is a related size rather than an interchange, and a steel or brass cage version changes the speed and temperature limits.
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