store 
Timing Belt Pulleys and V-Belt Sheaves: Matching Belt Drive Components Correctly
Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
Availability:
22 in stock
Matched duplex pair of super precision angular contact ball bearings, 60 x 95 x 18 mm each, 25° contact angle, light preload, phenolic cage, ISO P4S.
List Price
$79.04
22 in stock
On the Shelf & Ready to Ship
On all orders
No Risk, No Hassle
| MFR / Brand | Fafnir |
|---|---|
| MPN | 3MM9112WI DUL |
| Model | 3MM9112WIDUL |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 60 mm |
| OD | 95 mm |
| Width | 18 mm |
| Material | Chrome Steel |
|---|---|
| Series | 9100WI |
| Lubricant | Grease or oil |
| Preload | Light (DUL) |
| Total Width | 36 mm across the matched pair |
| Base Number | 7012 |
| Industry Terms | spindle bearing, super precision, machine tool bearing, phenolic cage, 25 degree angular contact, outer land riding cage, duplex pair, matched set, light preload, 9100WI series |
| Common Misspellings | 3MM9112 WI DUL, 3MM9112WLDUL, 3M9112WIDUL, 3MM911ZWIDUL, Fafner 3MM9112, Angualr contact bearing, phenolyc cage, dublex pair |
| Application Types | Milling and boring spindles, grinding spindles, precision rotary tables, gearbox output quills, machine tool spindles |
| Bore Shaft Size | 60 mm |
| Mpn Variants | 3MM9112WIDUL, 3MM9112WI DUL, 3MM-9112-WI-DUL, 3MM9112WICRDUL, 3MM9112WIDUC2, 3MM-9112-WI-CR-DU-C2, 3MM9112WI, 7012, 7012A, 7012E-T-P4S-DUL |
| Manufacturer Status | Legacy Fafnir designation; obsolescence trail Fafnir to Torrington to Timken. New old stock. |
| Compatible With Replaces | 60 x 95 x 18 mm 25° super precision duplex pairs at light preload |
| Arrangement Configuration | Duplex pair (DU), light preload |
| Precision Class | ISO P4S (ABEC 7/9) |
| Dynamic Load Rating C1 | 36,900 N (8,290 lbf) per bearing |
| Additional Attributes | C1 ISO dynamic radial rating (per row): 33,500 N (7,540 lbf). Max Shaft Fillet Radius: 1 mm. r - Outer Ring To Clear Radius: 1 mm. Shaft Backing Shoulder Diameter: 67.3 mm. Housing Backing Shoulder Diameter: 88.1 mm. |
| Closure Type | Open |
| Cage Type | Phenolic, outer-land-riding |
| Dynamic Load Rating | 36,900 N (8,290 lbf) per bearing |
| Static Load Rating | 29,100 N (6,550 lbf) per bearing |
| Precision Rating | ISO P4S (ABEC 7/9) |
| Rolling Elements | Steel balls |
| Cage Material | Phenolic |
| Limiting Speed | 13,500 rpm grease / 24,400 rpm oil |
| Number Of Rows | 1 per bearing |
| Bore Type | Straight |
| Snap Ring Included | No |
| Internal Clearance | Preloaded (light preload, duplex pair) |
| Harmonization Code | 8482.10.50.28 |
| Contact Angle | 25° |
| Mounting Arrangement | Duplex pair (DU) |
| Design Units | Metric |
| Part Number | 3MM9112WIDUL |
| Cross Reference 1 | SKF 7012 ACDGA/P4A |
|---|---|
| Cross Reference 2 | FAG B7012-E-T-P4S-DUL |
| Cross Reference 3 | NSK 7012A5 |
Fafnir 3MM9112WI DUL super precision angular contact ball bearings, factory matched duplex pair, 2 Pcs, 9100WI spindle series. Bore Diameter: 60 mm. Outside Diameter: 95 mm. Bearing Width: 18 mm per bearing. Total Width: 36 mm for the pair. Contact Angle: 25°. Number Of Rows: 1 per bearing. Bore Type: Straight. Closure Type: Open. Rolling Elements: Steel balls. Condition: new old stock, open box.
3MM — Timken Fafnir super-precision, 25° contact angle, P4S precision grade (ISO P4S, ABEC 7/9).
9112 — 9100WI dimension series, bore code 12, ISO 7012 size at 60 x 95 x 18 mm.
WI — standard angular contact construction: full shoulders on both sides of the inner ring and a low shoulder on the outer ring.
CR — phenolic outer land riding cage.
DU — duplex, a factory-matched two-bearing set.
L — light preload.
Dynamic Radial Load Rating (C1, 1M revs): 36,900 N (8,290 lbf) per bearing. C1 ISO Dynamic Radial Rating, per row: 33,500 N (7,540 lbf). Static Radial Load Rating (C0): 29,100 N (6,550 lbf) per bearing. Limiting Speed: 13,500 rpm grease; 24,400 rpm oil. Preload: Light. Precision Class: ISO P4S (ABEC 7/9). Cage Type: Phenolic, outer land riding. Mounting Arrangement: Duplex pair (DU). Series: 9100WI. Base Number: 7012. Manufacturing Part Number: 3MM9112WI DUL. World Part Number: 7012E-T-P4S-DUL. Unit Quantity: 2 Pcs. Harmonization Code: 8482.10.50.28.
Max Shaft Fillet Radius: 1 mm. Outer Ring To Clear Radius r: 1 mm. Shaft Backing Shoulder Diameter: 67.3 mm. Housing Backing Shoulder Diameter: 88.1 mm.
Cross-references: SKF 7012 ACDGA/P4A; FAG B7012-E-T-P4S-DUL; NSK 7012A5. Carton designations: 3MM9112WIDUL, 3MM9112WI DUL, 3MM-9112-WI-DUL, 3MM9112WICRDUL, 3MM9112WIDUC2, 3MM-9112-WI-CR-DU-C2, 7012A. The line passed from Fafnir to Torrington to Timken; Timken lists 3MM9112WI DUL.
Bore 60 mm, outside diameter 95 mm, width 18 mm per bearing and 36 mm across the pair; ISO 7012 size.
3MM is the Fafnir super-precision 25° contact angle prefix with P4S precision; DU is a factory-matched duplex pair and L is light preload.
Dynamic 36,900 N and static 29,100 N per bearing; limiting speed 13,500 rpm on grease and 24,400 rpm on oil.
American manufacturers are sitting on a lot of stuff. The
Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
Tapered, cylindrical, and spherical roller bearings all solve the same basic problem, carrying more load
If you pulled a bearing off general industrial equipment at random, there’s a good chance
Our team can locate, cross-reference, and source all parts.
Our team can locate, cross-reference, and source all parts.
Sort
Brand
Price
MPN
Categories
