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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:
7 in stock
Fafnir 3MM9105WI DUL super-precision angular contact ball bearing pair, 25 x 47 x 12 mm, 25° contact angle, ABEC 7 / P4, phenolic cage, light preload.
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$148.51
7 in stock
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| MFR / Brand | Fafnir |
|---|---|
| MPN | 3MM9105WI DUL |
| GTIN | 087796072091 |
| Model | 3MM 9105 WI CR DUL / 7005 AC/A5 TR/TY P4/P4Y |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 25 mm |
| OD | 47 mm |
| Width | 12 mm |
| Material | Chrome Steel |
|---|---|
| Series | 9100 |
| Preload | Light |
| Base Number | 3MM9105WI |
| Industry Terms | Spindle bearing, super precision bearing, matched pair, duplex universal, machine tool bearing, precision angular contact |
| Common Misspellings | Fafner, Faffnir, 3MM9105W1, 3MM9105WIDUL, 3MM 9105 WI DUL |
| Application Types | Machine tool spindles, grinding spindles, high-speed precision shafts |
| Bore Shaft Size | 25 mm (0.9843 in) |
| Mpn Variants | 3MM9105WI-DUL, 3MM9105WICRDUL, 3MM-9105-WI-CR-DUL, 3MM9105WI CR DUL, 3MM9105WIDUL |
| Precision Class | ABEC 7 / P4 |
| Rolling Elements | Ball |
| Cage Material | Phenolic |
| Number Of Rows | 1 per bearing |
| Bore Type | Straight |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 25° |
| Mounting Arrangement | Duplex universal (back-to-back, face-to-face or tandem) |
| Part Number | 3MM9105WI-CR-DUL |
| Closure Type | Open |
| Cross Reference 1 | SKF 7005 ACD/P4ADGA - 25 deg, DGA light preload |
|---|---|
| Cross Reference 2 | FAG B7005-E-T-P4S-UL - 25 deg, P4S class |
| Cross Reference 3 | NSK 7005A5TRDULP4 - 25 deg, phenolic cage |
Fafnir 3MM9105WI DUL is a super-precision single-row angular contact ball bearing in the 25 x 47 x 12 mm envelope, supplied as a duplex universal matched pair. Unit Quantity: 2 Pcs. The Fafnir 9100 series corresponds to the metric 70-series, so the 9105 size is the 7005 envelope. GTIN: 087796072091.
3MM — 25° contact angle in the Timken/Fafnir scheme.
MM — P4 precision class (ABEC 7).
9105 — 9100 series, 25 mm bore, 7005 metric envelope.
WI — low shoulder on both rings, the duplex form.
CR — phenolic cage.
DU — duplex universal grinding: the pair mounts back-to-back, face-to-face or in tandem.
L — light preload.
Bore Diameter: 25 mm (0.9843 in). Outside Diameter: 47 mm (1.8504 in). Width: 12 mm (0.4724 in) per bearing. Total Width of the pair: 24 mm (0.9449 in). Contact Angle: 25°. Precision Class: ABEC 7 / P4. Preload: Light. Cage Material: Phenolic. Number Of Rows: 1 per bearing. Closure Type: Open. Series: 9100.
Envelope: 25 x 47 x 12 mm per bearing. Mounting Arrangement: Duplex universal, back-to-back, face-to-face or tandem.
Cross-references in the 7005 envelope at 25° with universal light preload: SKF 7005 ACD/P4ADGA, FAG B7005-E-T-P4S-UL (P4S class) and NSK 7005A5TRDULP4. Also written as 3MM9105WI-DUL, 3MM9105WICRDUL, 3MM-9105-WI-CR-DUL and 3MM9105WIDUL.
Bore 25 mm, outside diameter 47 mm, width 12 mm per bearing.
Contact angle is 25° (code 3MM) and preload is light (code L).
Two bearings, a duplex universal matched pair.
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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.
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