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Super-precision angular contact ball bearing pair, 30 x 62 x 16 mm, 25-degree contact angle, heavy preload, phenolic cage, ABEC 7/9, 24,700 rpm grease.
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| MFR / Brand | Fafnir |
|---|---|
| MPN | 3MM206WIDUHC1 |
| Model | 3MM 206 WI CR DUH C1 / 7206 A5/AC TR/TY P4/P4Y |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 30 mm |
| OD | 62 mm |
| Width | 16 mm |
| Condition | New – Open box |
|---|---|
| Base Number | 7206 |
| Common Misspellings | 3M206WI-DUH; 3MM026WI-DUH; 3MM206W1-DUH; 3MM206WI DUH; 3MM206WIDU H |
| Total Width | 32 mm |
| Condition Note | Made In USA, New Old Stock |
| Overall Width | 16 mm |
| Mpn Variants | 3MM206WI-DUH; 3MM206WICRDUH; 3MM206WI CR DUH; 3MM-206-WI-CR-DUH-C1; 3MM206WIDUHC1; 3MM206WIDUH; 7206E-T-P4S-DUH |
| Arrangement Configuration | Duplex, factory-matched pair |
| Precision Class | ABEC 7/9 / P4S |
| Dynamic Load Rating C1 | 24,400 N |
| Cage Type | Machined, outer-ring land-riding |
| Dynamic Load Rating | 22,200 N |
| Static Load Rating | 14,000 N |
| Precision Rating | ABEC 7/9 / P4S |
| Series | 7200 |
| Rolling Elements | Ball |
| Cage Material | Phenolic |
| Limiting Speed | 24,700 rpm grease; 45,200 rpm oil |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Lubricant | grease or oil |
| Contact Angle | 25° |
| Preload | Heavy |
| Mounting Arrangement | Duplex, factory-matched pair |
| Design Units | Metric |
| Bearing Material | Steel |
| Part Number | 3MM206WI-CR-DUH |
| Cross Reference 1 | SKF 7206 ACD/P4ADGC (heavy preload) |
|---|---|
| Cross Reference 2 | FAG B7206-E-T-P4S (25°, heavy-preload matched set) |
| Cross Reference 3 | NSK 7206A5TYNDUHP4 (heavy preload) |
| Cross Reference 4 | RHP 7206A5TDUHEP7 (heavy preload) |
| Cross Reference 5 | SNFA EX206 7CE3 (25°) |
| Cross Reference 6 | IBC 7206-E-T-P4S-DUH (heavy preload) |
| Cross Reference 7 | NTN 7206DB/GHP4 (related, 30° contact angle) |
| Cross Reference 8 | Koyo 7206DB/GHP4 (related, 30° contact angle) |
| Cross Reference 9 | MRC 7206 (related, 29° contact angle) |
Fafnir 3MM206WI-CR-DUH super-precision angular contact ball bearing set, built by The Timken Company. Timken world part number 7206E-T-P4S-DUH. Bore Diameter: 30 mm. Outside Diameter: 62 mm. Overall Width: 16 mm per bearing. Total Width: 32 mm for the duplex pair. Bore Type: Straight. Number Of Rows: 1 per bearing. Rolling Elements: Ball. Bearing Material: Steel. Closure Type: Open. Series: 7200. Base Number: 7206. Country of origin: United States.
3MM — 25° contact angle in the Fafnir super-precision spindle range.
206 — 30 mm bore in the 72xx dimension series.
WI — low shoulder on both rings.
CR — phenolic outer-land-riding cage.
DU — a factory-matched duplex pair, ground to run together.
H — heavy preload.
MM — ISO P4S super precision, ABEC 7/9.
Contact Angle: 25°. A 25° angle carries more thrust and gives higher axial stiffness than a 15° bearing on the same envelope, trading away some top speed.
Preload: Heavy. Heavy preload gives the stiffest axial and radial response and the tightest running accuracy under load.
Precision Class: ABEC 7/9 / P4S. Tight bore, outside-diameter and runout tolerances give close shaft location and low running vibration.
Cage Material: Phenolic. Cage Type: Machined, outer-ring land-riding. A land-riding phenolic cage runs quietly, carries lubricant in its own pores and survives high cage speeds.
Dynamic Load Rating: 22,200 N (ISO basis, per bearing). Dynamic Load Rating (C1): 24,400 N (Timken one-million-revolution basis, per bearing). Static Load Rating: 14,000 N.
Limiting Speed: 24,700 rpm grease; 45,200 rpm oil. Lubricant: grease or oil.
Shaft backing shoulder diameter: 36.5 mm. Housing backing shoulder diameter: 56 mm. Maximum shaft fillet radius: 1 mm. Outer ring to-clear radius: 1 mm.
Unit Quantity: 2 Pcs. Arrangement / Configuration: Duplex, factory-matched pair. Total Width: 32 mm across the pair.
Same envelope, same 25° contact angle and same heavy preload class: SKF 7206 ACD/P4ADGC, FAG B7206-E-T-P4S heavy-preload matched set, NSK 7206A5TYNDUHP4, RHP 7206A5TDUHEP7, SNFA EX206 7CE3, IBC 7206-E-T-P4S-DUH. Related sizes on the same 30 x 62 x 16 mm envelope at a different contact angle: NTN 7206DB/GHP4 (30°), Koyo 7206DB/GHP4 (30°), MRC 7206 (29°).
Searchable variants of the designation: 3MM206WI-DUH, 3MM206WICRDUH, 3MM-206-WI-CR-DUH-C1, 3MM206WIDUHC1, 7206E-T-P4S-DUH.
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