Central Surplus Bearing Finder
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Super precision angular contact ball bearing, 90 x 140 x 24 mm, 15° contact angle, ISO P4S, single bearing, open both faces.
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$296.94
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Here are some other options that might fit your project — cross-referenced equivalents and similar parts we have in stock and ready to ship. Need help choosing? Call 585-295-7880.
Angular Contact Ball Bearing – 90 mm ID, 140 mm OD, 24 mm Width, 15° Contact Angle, Medium Preload, Phenolic Cage, ABEC 7/9$296.94
Angular Contact Ball Bearing – 90 mm ID, 140 mm OD, 24 mm Width, 15° Contact Angle, Light Preload, Phenolic Cage, ABEC 7/9$296.94
Super Precision Angular Contact Ball Bearing Duplex Pair - 90 mm ID, 140 mm OD, 24 mm Width, 48 mm Total, 15° Contact Angle, Heavy Preload, Phenolic Cage, P4S$593.87
Super Precision Angular Contact Ball Bearing 90x140x24 mm 15° ABEC 7 Light Preload$168.28| MFR / Brand | Fafnir |
|---|---|
| MPN | 2MM9118 |
| Model | 118 7018A 2MM 9118 ABEC7 |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 90 mm |
| OD | 140 mm |
| Width | 24 mm |
| Base Number | 2MM9118 |
|---|---|
| Industry Terms | super precision bearing, spindle bearing, machine tool bearing, precision angular contact, ABEC 7 bearing, 15 degree bearing |
| Common Misspellings | Fafner, Faffnir, Fafnier, 2MM9II8, 2MM911 8, 2MM-9II8 |
| Application Types | Machine tool spindles, grinding heads, milling heads, precision gearboxes, rotary tables |
| Total Width | 24 mm (single bearing) |
| Bore Shaft Size | 90 mm (3.543 in) |
| Mpn Variants | 2MM9118, 2MM-9118, 2MM 9118, 2MM9118WI, MM9118, 9118 |
| Arrangement Configuration | Single bearing, not a matched set - no duplex or preload suffix on the designation |
| Precision Class | ISO P4S (ABEC 7/9) |
| Additional Attributes | ISO envelope 7018. Maximum shaft fillet radius 1.5 mm; shaft backing shoulder diameter 99.7 mm; housing backing shoulder diameter 130.9 mm; outer ring to-clear radius 1.5 mm. Timken files this size under Fafnir Spindle Angular Contact Ball Bearings, series 9100WI. |
| Material | Bearing Steel |
| Dynamic Load Rating | 72.2 kN / 16,200 lbf (C1 ISO, per row) |
| Static Load Rating | 68.9 kN / 15,500 lbf (C0) |
| Precision Rating | ISO P4S (ABEC 7/9) |
| Series | 9100WI (ISO 70 light series) |
| Rolling Elements | Steel balls |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Limiting Speed | 9,200 rpm grease / 18,400 rpm oil |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15° |
| Design Units | Metric |
| Bearing Material | Through-hardened bearing steel |
| Part Number | 2MM9118 |
| Cross Reference 1 | 7018C (ISO base at 15 degrees) |
|---|---|
| Cross Reference 2 | 7018 (ISO base number, 90x140x24 mm envelope) |
| Cross Reference 3 | Timken 2MM9118 (Fafnir is a Timken brand) |
| Cross Reference 4 | Related size: 7018 A - same envelope, 30 degree contact angle |
| Cross Reference 6 | Related size: 3MM9118 - same envelope, 25 degree contact angle |
Fafnir 2MM9118 super precision angular contact ball bearing from Timken, in the ISO 7018 envelope. Brand: Fafnir (Timken). Bore: 90 mm (3.543 in). Outside Diameter: 140 mm (5.512 in). Overall Width: 24 mm (0.945 in). Contact Angle: 15°. Precision Rating: ISO P4S (ABEC 7/9). Number Of Rows: 1. Rolling Elements: Steel balls. Bearing Material: Through-hardened bearing steel. Closure Type: Open, both faces. Bore Type: Straight. Design Units: Metric. Series: 9100WI, ISO 70 light. Base Number: 2MM9118. Harmonization Code: 8482.10.50.
Dynamic Load Rating: 72,200 N / 16,200 lbf (C1 ISO, per row). Static Radial Load Rating (C0): 68,900 N / 15,500 lbf. Limiting Speed, grease: 9,200 rpm. Limiting Speed, oil: 18,400 rpm. Maximum Shaft Fillet Radius: 1.5 mm. Shaft Backing Shoulder Diameter: 99.7 mm. Housing Backing Shoulder Diameter: 130.9 mm. Outer Ring To-Clear Radius: 1.5 mm. These are Timken’s figures for a single row of the 9100WI 7018 execution.
2MM: Fafnir super precision metric series, 15° contact angle. The 3MM prefix is the 25° form. MM: precision class ISO P4S (ABEC 7/9). 9: ISO 70 light series. 118: bore code 18, giving the 90 mm bore and 140 mm outside diameter section. Searchable forms: 2MM9118, 2MM-9118, 2MM 9118, 2MM9118WI, MM9118, 9118, 7018C.
A single-row angular contact ball bearing carries thrust in one direction alongside a radial load. The 15° angle is the high-speed end of the range: it takes less thrust than a 25° or 40° bearing of the same envelope and runs cooler and faster, which is why it is the usual front-bearing choice in machine tool spindles. P4S tolerances control bore, outside diameter and raceway runout to a few microns, and the light 70-series section keeps mass and centrifugal ball loading down at speed.
Unit Quantity: 1 Pc, a single bearing. Total Width: 24 mm. The designation carries no duplex or preload suffix, so this bearing stands as an individual unit and the rating above is the single-bearing figure.
ISO envelope 7018 at 15°, super precision class. Direct equivalents include the 7018 C/P4S forms such as SKF 7018 CD/P4A and NSK 7018CTYP4. The 30° and 40° forms in this envelope, 7018 A and 7018 B, are related sizes rather than interchanges, as is any normal-tolerance 7018 and the 25° 3MM9118.
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A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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