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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.
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2 in stock
Fafnir 2MM9124WI-DUH matched duplex pair of 120 x 180 x 28 mm angular contact bearings, 15° contact angle, heavy preload, phenolic cage, ISO P4S.
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$1,140.11
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| MFR / Brand | Fafnir |
|---|---|
| MPN | 2MM9124WICRDUH |
| Model | 7024C 2MM 9124 WI CR DUH |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 120 mm |
| OD | 180 mm |
| Width | 28 mm |
| Material | Bearing Steel |
|---|---|
| Series | 9100WI (Fafnir spindle series, ISO 7024 envelope) |
| Lubricant | grease or oil |
| Preload | Heavy |
| Base Number | 2MM9124WI |
| Industry Terms | super precision spindle bearing set, matched pair angular contact, heavy preload spindle bearing, ABEC 9 duplex |
| Common Misspellings | 2MM9124WIDUH, 2MM 9124 WI DUH, Fafner, Faffnir, 2MM9124W1-DUH |
| Application Types | Machine tool spindles, grinding spindles, boring spindles, rotary tables |
| Country Region Of Manufacture | United States |
| Bore Shaft Size | 120 mm (4.724 in) |
| Mpn Variants | 2MM9124WICRDUH, 2MM9124WI-DUH, 2MM9124WI-CR-DUH, 2MM-9124-WI-CR-DUH, 2MM9124WIDUH, 2MM 9124 WI CR DUH, 7024-C |
| Arrangement Configuration | Duplex pair, universally ground |
| Precision Class | ISO P4S (ABEC 7/9) |
| Additional Attributes | C1 ISO per row 101,000 N; Timken World Part Number 7024C-T-P4S-DUH; outer ring to clear radius 2 mm |
| Cage Type | CR - Phenolic Outer Land Riding Cage |
| Dynamic Load Rating | 111,200 N (C1, 1M revs, set) |
| Static Load Rating | 108,500 N |
| Precision Rating | ISO P4S (ABEC 7/9) |
| Rolling Elements | Ball |
| Cage Material | Phenolic |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Limiting Speed | 6,900 rpm grease; 13,800 rpm oil |
| Harmonization Code | 8482.10.50.28 |
| Contact Angle | 15° |
| Part Number | 2MM9124WI-CR-DUH |
| Total Width | 56 mm (2.205 in), duplex pair |
| Cross Reference 1 | RHP 7024CTDUHP4 |
|---|---|
| Cross Reference 2 | FAG B7024C.T.P4S.UH |
| Cross Reference 3 | SKF 7024 CD/P4ADGC |
| Cross Reference 4 | NSK 7024CTRDUHP4 |
| Cross Reference 5 | Timken 7024C-T-P4S-DUH |
Fafnir 2MM9124WI-DUH is a matched duplex pair of super-precision single-row angular contact ball bearings, universally ground, heavy preload. Unit Quantity: 2 Pcs, one matched duplex pair. Timken World Part Number: 7024C-T-P4S-DUH.
2MM — Fafnir super-precision prefix, 15° contact angle.
9124 — Fafnir 91xx block, ISO 7024 envelope, 120 x 180 x 28 mm.
WI — super-precision spindle execution with a low shoulder on both rings.
CR — phenolic outer-land-riding cage.
DUH — duplex pair, universally ground, heavy preload.
Contact Angle: 15°. Precision Class: ISO P4S (ABEC 7/9). Preload: Heavy. Rolling Elements: Ball (steel). Number Of Rows: 1 per bearing. Cage Type: CR — Phenolic Outer Land Riding Cage. Cage Material: Phenolic. Closure Type: Open. Bore Type: Straight. Dynamic Load Rating (C1, 1M revs, set): 111,200 N. Dynamic Load Rating (C1 ISO, per row): 101,000 N. Static Load Rating (C0): 108,500 N. Limiting Speed: 6,900 rpm grease; 13,800 rpm oil. Series: Fafnir 9100WI spindle series.
Bore Diameter: 120 mm (4.724 in). Outside Diameter: 180 mm (7.087 in). Bearing Width: 28 mm (1.102 in) per bearing. Total Width: 56 mm (2.205 in) as a pair. Shaft Backing Shoulder Diameter: 132.5 mm (5.220 in). Housing Backing Shoulder Diameter: 168.3 mm (6.630 in). Maximum Fillet Radius: 2 mm (0.079 in). Outer Ring To Clear Radius: 2 mm (0.079 in).
Cross-references: RHP 7024CTDUHP4; FAG B7024C.T.P4S.UH; SKF 7024 CD/P4ADGC; NSK 7024CTRDUHP4; Timken 7024C-T-P4S-DUH. All are 15° super-precision duplex pairs in the 120 x 180 x 28 mm envelope. The 25° 3MM9124WI is a related size at a different contact angle. Also written 2MM9124WIDUH, 2MM9124WICRDUH, 2MM-9124-WI-CR-DUH and 7024-C.
120 mm bore, 180 mm outside diameter and 28 mm width per bearing; the pair is 56 mm wide.
Contact angle is 15° and the preload is heavy (DUH).
Dynamic C1 111,200 N for the set (101,000 N per row, ISO), static C0 108,500 N, limiting speed 6,900 rpm with grease and 13,800 rpm with oil.
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