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Availability:
5 in stock
Miniature super-precision spindle bearing, 26 mm outside diameter, 15° contact angle, ABEC 7/9 P4S, open, 68,500 rpm grease, 137,000 rpm oil.
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| MFR / Brand | Fafnir |
|---|---|
| MPN | 2MM9100WICR |
| GTIN | 087796071797 |
| Model | 2 MM 9100 WI / 7000C T P4 |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 10 mm |
| OD | 26 mm |
| Width | 8 mm |
| Material | Bearing Steel |
|---|---|
| Series | 2MM9100WI |
| Condition | New |
| Lubricant | Oil |
| Base Number | 2MM9100WI |
| Overall Width | 8 mm |
| Mpn Variants | 2MM9100WICR, 2MM-9100-WI-CR, 2 MM 9100 WI CR, 7000C-T-P4S |
| Precision Class | ABEC 7 / P4S |
| Dynamic Load Rating | 5,410 N |
| Static Load Rating | 2,200 N |
| Precision Rating | ABEC 7 / P4S |
| Rolling Elements | Ball |
| Item Weight | 0.018 kg (0.04 lb) |
| Limiting Speed | 68,500 rpm grease; 137,000 rpm oil |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15° |
| Bearing Material | Chrome steel |
| Cross Reference 1 | SKF 7000 CD/P4A |
|---|---|
| Cross Reference 2 | FAG B7000-C-T-P4S-UL |
| Cross Reference 3 | NSK 7000CTYNSULP4 |
| Cross Reference 4 | NTN 7000UCG/GNP4 |
| Cross Reference 5 | Timken Fafnir 2MM9100WICR |
| Cross Reference 6 | RHP 7000CTSULP4 |
| Cross Reference 7 | Koyo 7000C/GLP4 |
| Cross Reference 8 | SNR 7000CVUJ74 |
Fafnir 2MM9100WI-CR, a super-precision angular contact ball bearing built by Timken under the Fafnir brand for small high-speed spindles. Bore Diameter: 10 mm. Outside Diameter: 26 mm. Overall Width: 8 mm. Contact Angle: 15°. Precision Class: ABEC 7 / P4S. Rolling Elements: Ball. Bearing Material: Chrome steel. Bore Type: Straight. Closure Type: Open. Number Of Rows: 1. Item Weight: 0.018 kg (0.04 lb). GTIN: 0087796071797.
2MM — 15° contact angle on the Fafnir super-precision range, with the MM prefix carrying ISO P4S tolerancing.
9100 — the 9100WI series, which maps to the ISO 70xx light series; this size is the ISO 7000.
WI — low shoulder on both rings, the high-speed spindle execution.
CR — the Fafnir cage code carried on this execution.
Dynamic Load Rating: 5,410 N. Static Load Rating: 2,200 N. Limiting Speed: 68,500 rpm grease; 137,000 rpm oil. This is the smallest size in the 9100WI section, and the small ball complement and light ring section are what put the oil-lubricated ceiling at 137,000 rpm — the territory of dental and high-frequency grinding spindles. The 15° contact angle favours speed and radial stiffness; a 25° execution on the same envelope trades speed away for axial load capacity. Lubricant: grease or oil.
Shaft backing shoulder diameter: 13.3 mm (0.530 in). Housing backing shoulder diameter: 23.2 mm (0.920 in). Series: 9100WI. Base Number: 2MM9100WI.
Unit Quantity: 1 Pc. Single bearing in the bare 2MM9100WI-CR execution.
Direct metric super-precision equivalents at 15° and P4 class: SKF 7000 CD/P4A, FAG B7000-C-T-P4S-UL, NSK 7000CTYNSULP4, NTN 7000UCG/GNP4, RHP 7000CTSULP4, Koyo 7000C/GLP4, SNR 7000CVUJ74. Searchable forms of this number include 2MM9100WICR, 2MM-9100-WI-CR, 2 MM 9100 WI CR and 7000C-T-P4S.
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