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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:
2 in stock
Fafnir 3MM9111WICRDUL super-precision angular contact ball bearing duplex pair, 55 x 90 x 18 mm, 25° contact angle, P4, light preload, phenolic cage.
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| MFR / Brand | Fafnir |
|---|---|
| MPN | 3MM9111WICRDUL |
| GTIN | 087796072558 |
| Model | 3MM 9111 WI CR DUL 7011A5 TY/TR DUL P4/P4Y |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 55 mm |
| OD | 90 mm |
| Width | 18 mm |
| Material | Chrome steel |
|---|---|
| Series | 9100 |
| Lubricant | Grease or oil |
| Preload | Light |
| Base Number | 3MM9111WI |
| Total Width | 36 mm |
| Bore Shaft Size | 55 mm |
| Mpn Variants | 3MM9111WICRDUL, 3MM9111WI-DUL, 3MM9111WIDUL, 3MM-9111-WI-CR-DUL, 3MM9111WI DUL |
| Arrangement Configuration | Universally ground duplex pair |
| Precision Class | ABEC 7 / P4 |
| Dynamic Load Rating C1 | 35,900 N (C1, per bearing) |
| Additional Attributes | Shaft backing shoulder diameter: 62.2 mm. Housing backing shoulder diameter: 83.3 mm. Maximum housing fillet radius cleared: 1 mm |
| Dynamic Load Rating | 35,900 N (C1, per bearing) |
| Static Load Rating | 27,200 N |
| Precision Rating | ABEC 7 / P4 |
| Rolling Elements | Ball |
| Cage Material | Phenolic |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Limiting Speed | 14,600 rpm grease; 26,600 rpm oil |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 25° |
| Mounting Arrangement | Universal duplex - back-to-back, face-to-face or tandem |
| Bearing Material | Chrome steel |
| Closure Type | Open |
Fafnir 3MM9111WICRDUL super-precision angular contact ball bearings, supplied as a universally ground duplex pair (Unit Quantity: 2 Pcs). Single row each, open, phenolic cage. Bore Diameter: 55 mm. Outside Diameter: 90 mm. Width: 18 mm per bearing. Also written 3MM9111WIDUL, 3MM9111WI DUL and 3MM-9111-WI-CR-DUL.
3MM — 25° contact angle, Fafnir MM super-precision class P4 (ABEC 7).
9111 — 9100WI size series, ISO 7011 envelope, 55 x 90 x 18 mm.
WI — low shoulder on both rings.
CR — phenolic cage.
DUL — duplex pair, universally ground, light preload.
Contact Angle: 25°. Precision Class: ABEC 7 / P4. Preload: Light. Cage Material: Phenolic. Rolling Elements: Ball. Number Of Rows: 1 per bearing. Closure Type: Open. Dynamic Load Rating: 35,900 N (C1, per bearing). Static Load Rating: 27,200 N. Limiting Speed: 14,600 rpm grease; 26,600 rpm oil. Lubricant: grease or oil. Pair Weight: 0.766 kg (1.68 lb). GTIN: 087796072558.
Bore Diameter: 55 mm. Outside Diameter: 90 mm (3.543 in). Width: 18 mm (0.709 in) per bearing. Total Width: 36 mm (pair). Shaft Backing Shoulder Diameter: 62.2 mm (2.450 in). Housing Backing Shoulder Diameter: 83.3 mm (3.280 in). Maximum housing fillet radius cleared: 1 mm (0.039 in).
Bore 55 mm, outside diameter 90 mm, width 18 mm per bearing (36 mm for the pair).
25° contact angle.
A universally ground duplex pair at light preload.
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