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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:
3 in stock
Matched duplex pair of super precision angular contact bearings, 75 x 115 x 20 mm each, 40 mm total width, 25° contact angle, light preload, ABEC 7 / P4.
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$129.17
3 in stock
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| MFR / Brand | Fafnir |
|---|---|
| MPN | 3MM9115WI CR DUL |
| GTIN | 0087796072817 |
| Model | 3MM9115WI-CR-DUL |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 75 mm |
| OD | 115 mm |
| Width | 20 mm |
| Material | High Carbon Chrome Steel |
|---|---|
| Series | 9100WI |
| Lubricant | Grease or oil |
| Preload | Light |
| Base Number | 3MM9115WI |
| Total Width | 40 mm (duplex pair) |
| Bore Shaft Size | 75 mm |
| Mpn Variants | 3MM9115WI-DUL; 3MM9115WICRDUL; 3MM 9115 WI CR DUL; 7015E-T-P4S-DUL |
| Arrangement Configuration | Matched duplex pair |
| Precision Class | ABEC 7 / P4 |
| Additional Attributes | Shaft backing shoulder diameter 82.7 mm; housing backing shoulder diameter 107.3 mm; maximum fillet radius on mating part 1 mm (0.039 in); matched duplex pair |
| Dynamic Load Rating | 48,900 N (11,000 lbf) per bearing |
| Static Load Rating | 41,200 N (9,260 lbf) per bearing |
| Precision Rating | ABEC 7 / P4 |
| Rolling Elements | Ball |
| Item Weight | 1.276 kg (2.82 lb) pair |
| Cage Material | Phenolic |
| Number Of Rows | 2 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Limiting Speed | 11,000 rpm grease; 19,800 rpm oil |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 25° |
| Design Units | Metric |
| Bearing Material | High carbon chrome steel |
| Part Number | 3MM9115WICRDUL |
| Industry Terms | Spindle bearing; machine tool bearing; super precision angular contact; duplex pair; matched pair |
| Common Misspellings | Fafnir 3MM9115 WI DUL; Fanir 3MM9115WI-DUL; Fafner 3MM9115WICRDUL; Timken 3MM9115WI DUL |
| Application Types | Machine tool spindles; high-speed precision spindles |
| Closure Type | Open |
| Cross Reference 1 | Timken 7015E-T-P4S-DUL |
|---|---|
| Cross Reference 2 | FAG B7015-E-T-P4S-UL |
| Cross Reference 3 | SKF 7015 ACDGA/P4A - single bearing |
| Cross Reference 4 | NSK 7015A5TYNDULP4 - polyamide cage |
Fafnir 3MM9115WI-DUL matched duplex pair of super precision angular contact spindle ball bearings from Timken, 75 x 115 x 20 mm each, 40 mm total width, 25° contact angle, light preload, open. Unit Quantity: 2 Pcs.
3MM — Fafnir super precision angular contact series with a 25° contact angle, P4 precision.
9115 — 9100WI series, ISO 7015 size; bore code 15, multiplied by five to give a 75 mm bore.
WI — low shoulder on both rings, the duplex form.
CR — phenolic cage.
DU — duplex set.
L — light preload.
Bore Diameter: 75 mm. Outside Diameter: 115 mm. Width: 20 mm per bearing. Total Width: 40 mm (duplex pair). Series: 9100WI. Contact Angle: 25°. Precision Class: ABEC 7 / P4. Preload: light. Cage Material: phenolic. Rolling Elements: steel balls. Closure Type: open. Dynamic Load Rating (C1, 1 million revolutions): 48,900 N (11,000 lbf) per bearing. Static Load Rating: 41,200 N (9,260 lbf) per bearing. Limiting Speed: 11,000 rpm grease; 19,800 rpm oil. Item Weight: 1.276 kg (2.82 lb) for the pair. GTIN: 0087796072817.
Maximum Fillet Radius on Mating Part: 1 mm (0.039 in). Shaft Backing Shoulder Diameter: 82.7 mm (3.260 in). Housing Backing Shoulder Diameter: 107.3 mm (4.230 in). Bore Type: straight.
Cross-Reference 1: Timken 7015E-T-P4S-DUL. Cross-Reference 2: FAG B7015-E-T-P4S-UL. Cross-Reference 3: SKF 7015 ACDGA/P4A, a single bearing. Cross-Reference 4: NSK 7015A5TYNDULP4, polyamide cage. Searchable variants of the number: 3MM9115WIDUL, 3MM9115WI-DUL, 3MM 9115 WI CR DUL, 7015A. CAD model and data sheet: available from Timken (cad.timken.com).
Each bearing measures 75 mm bore, 115 mm outside diameter and 20 mm width; the duplex pair stacks to 40 mm.
DU is a duplex set and L is light preload.
Dynamic Load Rating 48,900 N and Static Load Rating 41,200 N per bearing. Limiting Speed is 11,000 rpm on grease and 19,800 rpm on oil.
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