Central Surplus Bearing Finder
A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
Availability:
3 in stock
Super-precision angular contact ball bearing, 90 x 140 x 24 mm, 15° contact angle, medium preload, phenolic outer-land-riding cage, ABEC 7/9.
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$296.94

3 in stock
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| MFR / Brand | Fafnir |
|---|---|
| MPN | 2MM9118WISUM |
| Model | 2MM9118WICRSUM |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 90 mm |
| OD | 140 mm |
| Width | 24 mm |
| Material | Chrome steel |
|---|---|
| Series | 9100 |
| Lubricant | Grease or oil |
| Preload | Medium |
| Base Number | 2MM9118WI |
| Total Width | 24 mm |
| Bore Shaft Size | 90 mm |
| Mpn Variants | 2MM9118WI-SUM, 2MM9118WISUM, 2MM9118WICRSUM, 2MM-9118-WI-CR-SUM, 2MM9118WI SUM |
| Arrangement Configuration | Single universally ground |
| Precision Class | ABEC 7/9 (ISO P4S) |
| Dynamic Load Rating C1 | 79,600 N |
| Additional Attributes | Ball type: steel. Shaft backing shoulder diameter: 99.7 mm. Housing backing shoulder diameter: 130.9 mm. Maximum shaft fillet radius: 1.5 mm. Outer ring to-clear radius: 1.5 mm. ISO dynamic radial rating per row: 72,200 N. |
| Cage Type | CR – Phenolic Outer Land Riding Cage |
| Dynamic Load Rating | 79,600 N |
| Static Load Rating | 68,900 N |
| Precision Rating | ISO P4S (ABEC 7/9) |
| Rolling Elements | Ball |
| Cage Material | Phenolic |
| Limiting Speed | 9,200 rpm grease / 18,400 rpm oil |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15° |
| Mounting Arrangement | Universally ground single – stackable back-to-back, face-to-face or tandem |
| Bearing Material | Chrome steel |
| Cross Reference 1 | 7018C-T-P4S-SUM |
|---|
Fafnir 2MM9118WI-SUM super-precision angular contact ball bearing, built by Timken. Bore: 90 mm. Outside Diameter: 140 mm. Bearing Width: 24 mm. Total Width: 24 mm. Contact Angle: 15°. Precision Class: ISO P4S (ABEC 7/9). Preload: Medium. Cage Material: Phenolic. Cage Type: outer-ring land riding, machined. Rolling Elements: steel balls. Closure Type: Open. Number of Rows: 1. Series: 9100. Bore Type: Straight.
2MM — Fafnir super-precision spindle execution at a 15° contact angle, ground to ISO P4S.
9118 — the 9100WI size series, ISO 7018 envelope, 90 x 140 x 24 mm.
WI — low shoulder on both rings.
CR — phenolic outer land riding cage.
SUM — single universally ground bearing, medium preload. Faces are ground so any two pieces of the same number stack to the rated preload in any arrangement.
Dynamic Radial Load Rating (C1): 79,600 N. Static Radial Load Rating (C0): 68,900 N. ISO dynamic radial rating per row: 72,200 N. Limiting Speed: 9,200 rpm on grease, 18,400 rpm on oil. Lubricant: grease or oil.
A 15° contact angle favours speed and radial stiffness over thrust capacity. Medium preload sits between the light grade, which runs fastest and coolest, and the heavy grade, which is stiffest; it is the common choice where a spindle has to hold position under cutting load and still turn quickly. The phenolic cage is light, tolerates high surface speed and holds oil in its fabric base.
Unit Quantity: 1 Pc. Single universally ground bearing, mountable alone or stacked with further pieces of the same number back-to-back, face-to-face or in tandem.
Shaft Backing Shoulder Diameter: 99.7 mm. Housing Backing Shoulder Diameter: 130.9 mm. Maximum Shaft Fillet Radius: 1.5 mm. Outer Ring To-Clear Radius: 1.5 mm.
Timken world part number: 7018C-T-P4S-SUM. Manufacturing part number: 2MM9118WI SUM. The same bearing is written 2MM9118WISUM, 2MM-9118-WI-CR-SUM and 2MM9118WICRSUM.
$141.11
255 in stock
A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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Our team can locate, cross-reference, and source all parts.
Our team can locate, cross-reference, and source all parts.
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