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Central Surplus Bearing Finder
A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
Availability:
6 in stock
Super-precision angular contact ball bearing pair, 60 x 95 x 18 mm, 25° contact angle, open, phenolic cage, light preload, universally matchable.
List Price
$283.72
6 in stock
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| MFR / Brand | Fafnir |
|---|---|
| MPN | 3MM9112WIDUL |
| GTIN | 087796072626 |
| Model | 3MM 9112 WI CR DUL / 7012 A5/AC TY/TR DUL P4/P4Y |
| Bearing Type | Super-Precision Angular Contact Ball Bearing Pair, Open |
| ID | 60 mm |
| OD | 95 mm |
| Width | 18 mm per bearing, 36 mm assembled pair |
| Material | Chrome Steel |
|---|---|
| Series | Fafnir 3MM9100WI (ISO 70 light series) |
| Lubricant | Oil |
| Base Number | 7012 |
| Industry Terms | Super precision spindle bearing, machine tool bearing, matched duplex pair, light preload angular contact, phenolic cage bearing |
| Common Misspellings | Fafner, Fafnier, 3MM9112W1, 3MM9112WIDUL bearing, Torrington Fafnir |
| Bore Shaft Size | 60 mm (2.3622 in) |
| Mpn Variants | 3MM9112WIDUL, 3MM9112WI-DUL, 3MM-9112-WI-CR-DUL, 3MM 9112 WI CR DUL, 3MM9112WICRDUL |
| Rolling Elements | Steel Balls |
| Number Of Rows | 1 per bearing |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Harmonization Code | 8482.10.50 |
| Part Number | 3MM9112WI-CR-DUL |
| Cross Reference 6 | 7012 CD/P4A (related size, 15° contact angle) |
|---|
A Timken Fafnir 3MM9112WI-CR-DUL super-precision angular contact ball bearing, supplied as a matched pair. Bore 60 mm, outside diameter 95 mm, width 18 mm per bearing, 36 mm across the assembled pair. Open on both faces, with a machined fabric-base phenolic cage riding on the outer ring lands.
The leading 3MM sets a 25° contact angle. The MM prefix denotes Fafnir super-precision execution to P4S, equivalent to ABEC 7/9. The 9100 series number decodes to the ISO 70 light series, so 9112 is the ISO 7012 envelope at 60 x 95 x 18 mm. CR is the phenolic cage. DUL is a universally matchable duplex pair set to light preload.
A 25° contact angle carries more thrust and tolerates less speed than a 15° bearing of the same envelope. Light preload is the high-speed grade of the ladder: it generates the least friction and heat of the three and permits the highest running speed, while giving up stiffness to the medium and heavy settings. Because the pair is preload-set rather than clearance-set, internal clearance is not applicable to it.
Two bearings, sold as a matched set. Universally matchable duplex construction allows the pair to be mounted back-to-back, face-to-face or in tandem, the ground faces producing the specified light preload when clamped.
The rings are ground as a set and stay together. Clamping is applied evenly against the ground faces so the designed preload is established without ring distortion. The phenolic cage suits oil lubrication and sustained high speed.
The same-specification equivalent is SKF 7012 ACD/P4A DGA. A 3MM9112WI-DUM or -DUH set shares the envelope and contact angle at a heavier preload, and a 7012 CD or C variant shares the envelope at a 15° contact angle; both are related sizes rather than interchanges.
Rockwell’s own product page for the Kinetix 6000 is down
A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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