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Fafnir 2MM9509WI-DUL super-precision angular contact bearing duplex pair, 45 x 80 x 18 mm, 15 deg contact angle, light preload, ABEC 7 / P4. 2 Pcs.
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| MFR / Brand | Fafnir |
|---|---|
| MPN | 2MM9509WI DUL |
| Model | 2MM 9509 WI CR DUL |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 45 mm |
| OD | 80 mm |
| Width | 18 mm |
| Material | Bearing Steel |
|---|---|
| Series | 2MM9500 |
| Preload | Light |
| Unspsc | 31171504 |
| Base Number | 9509 |
| Industry Terms | spindle bearing, machine tool bearing, super precision bearing, duplex matched pair, precision angular contact ball bearing |
| Common Misspellings | Fafner 2MM9509WI, Faffnir 2MM9509WI, Fafnier 2MM9509WI, 2MM9509W1, 2M9509WI, 2MM95O9WI DUL |
| Application Types | Machine tool spindles, grinding spindles, milling heads, high-speed gearboxes |
| Bore Shaft Size | 45 mm (1.7717 in) |
| Mpn Variants | 2MM9509WI-DUL, 2MM9509WIDUL, 2MM-9509-WI-DUL, 2MM 9509 WI DUL, 2MM9509WI, 2MM-9509-WI-CR-DUL, 2MM9509WICRDUL, MM9509WI |
| Rolling Elements | Ball |
| Cage Material | Phenolic |
| Number Of Rows | 1 per bearing |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.10.5028 |
| Contact Angle | 15° |
| Part Number | 2MM9509WI-DUL |
| Cross Reference 1 | Fafnir 3MM9509WI-DUL - 25 deg contact angle (related) |
|---|
Fafnir (Timken) 2MM9509WI-DUL matched duplex pair of super-precision angular contact ball bearings in the 9500WI spindle series. Bore Diameter: 45 mm (1.7717 in). Outside Diameter: 80 mm (3.1496 in). Overall Width: 18 mm (0.7087 in) per bearing. Total Width: 36 mm (1.4173 in) for the duplex pair. Unit Quantity: 2 Pcs, one factory-matched set.
2MM — 15° contact angle, Fafnir super-precision spindle bearing, ABEC 7 / P4.
9509 — 9500 dimension series, bore code 09, giving a 45 mm bore.
WI — spindle angular contact ball bearing, universally ground faces.
CR — phenolic cage riding on the outer ring land.
DU — duplex, a factory-matched set of two.
L — light preload.
Bearing Type: angular contact ball bearing, super-precision spindle. Series: 9500WI. Base Number: 9509. Contact Angle: 15°. Precision Class: ABEC 7 / P4. Preload: Light (L). Number Of Rows: 1 per bearing. Cage Material: Phenolic (fabric-reinforced laminate). Cage Type: Outer-land-riding. Rolling Elements: Steel balls. Closure Type: Open, both faces. Bore Type: Straight. Internal Clearance: CN. Design Units: Metric. Material: Bearing Steel. Harmonization Code: 8482.10.5028. UNSPSC: 31171504.
Bore: 45 mm (1.7717 in), straight. Outside Diameter: 80 mm (3.1496 in). Overall Width: 18 mm (0.7087 in) per bearing, 36 mm (1.4173 in) for the pair. Mounting Arrangement: duplex, matched set of 2. Arrangement / Configuration: duplex matched pair (DU). The pair carries the light preload as supplied.
The 9500WI envelope is specific to the Fafnir series: 45 x 80 x 18 mm falls between ISO 7009 (45 x 75 x 16) and 7209 (45 x 85 x 19), so those are related sizes. The 3MM9509WI is a 25° bearing in the same envelope; the DUM and DUH variants differ in preload.
The bore is 45 mm, the outside diameter is 80 mm and the width is 18 mm per bearing, 36 mm for the pair.
The contact angle is 15° and the preload is light (L).
DU is a duplex, factory-matched set of two bearings and L is light preload.
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