Central Surplus Bearing Finder
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Matched triple set of super-precision angular contact ball bearings, 40 mm bore, 62 mm OD, 12 mm wide, 15° contact angle. ABEC 7 / P4, medium preload.
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$307.28
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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.
Super-Precision Angular Contact Ball Bearing – 40 mm Bore, 62 mm OD, 12 mm Width, 15°, Phenolic Cage$53.47
Angular Contact Ball Bearing - Straight Bore, 40 mm ID, 62 mm OD, 12 mm Width, Open, 15° Contact Angle, Medium Preload.$102.43
Angular Contact Ball Bearing - Straight Bore, 40 mm ID, 68 mm OD, 15 mm Width, Open, 15° Contact Angle, Heavy Preload.$97.33
Angular Contact Ball Bearing – 40 mm ID, 62 mm OD, 12 mm Width, 25° Contact Angle, Light Preload, Phenolic Cage, ABEC 7/9$204.85| MFR / Brand | Fafnir |
|---|---|
| MPN | 2MM9308WICRTUM |
| Model | 2MM 9308 WI CR TUM / 71908 C T TUM P4S |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 40 mm |
| OD | 62 mm |
| Width | 12 mm |
| Material | Bearing Steel |
|---|---|
| Series | 9300 |
| Lubricant | Oil/Grease |
| Preload | Medium |
| Base Number | 2MM9308WI |
| Industry Terms | Super-precision angular contact bearing, Machine tool spindle bearing set, Matched triple set, Precision spindle bearing |
| Application Types | Machine tool spindles, High-speed precision spindles, Grinding spindles |
| Overall Width | 12 mm |
| Mpn Variants | 2MM9308WI-TUM, 2MM9308WICRTUM, 2MM 9308 WI CR TUM, 2MM9308WI, 71908, 7908 |
| Arrangement Configuration | Matched triple set, universally ground |
| Precision Class | ABEC 7 / P4 |
| Cage Type | Machined |
| Rolling Elements | Ball |
| Cage Material | Phenolic |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15° |
| Mounting Arrangement | Universal |
| Bearing Material | Bearing Steel |
| Cross Reference 1 | SKF 71908 |
|---|---|
| Cross Reference 2 | FAG 71908 |
| Cross Reference 3 | NSK 7908 |
| Cross Reference 4 | NTN 7908 |
| Cross Reference 5 | RHP 7908 |
| Cross Reference 6 | Koyo 7908 |
| Cross Reference 7 | SNR 71908 |
Fafnir 2MM9308WI CR TUM matched triple set of super-precision angular contact ball bearings. Bore Diameter: 40 mm. Outside Diameter: 62 mm. Overall Width: 12 mm per bearing. Contact Angle: 15°. Precision Class: ABEC 7 / P4. Unit Quantity: 3 Pcs. The envelope is the ISO 71908 size, also written 7908.
2MM — Timken/Fafnir super-precision class. ISO P4 / ABEC 7 running accuracy, with a 15° contact angle.
9308 — the ISO 71908 size: 40 mm bore, 62 mm outside diameter, 12 mm width.
WI — low shoulder on both rings, the ground duplex form.
CR — machined phenolic cage.
TUM — triple universally ground, medium preload. The three bearings are ground as one matched stack.
Contact Angle: 15°. A 15° angle favours speed and radial stiffness; a larger angle trades those for axial capacity.
Cage Material: Phenolic. Cage Type: Machined. A phenolic cage is light, self-lubricating and tolerant of high cage speeds.
Preload: Medium. Mounting Arrangement: Universal. Lubricant: grease or oil. Rolling Elements: Ball. Number Of Rows: 1 per bearing. Bore Type: Straight. Closure Type: Open. Bearing Material: Bearing Steel. Series: 9300. Harmonization Code: 8482.10.50.
Unit Quantity: 3 Pcs. Arrangement / Configuration: matched triple set, universally ground, medium preload. Any three universally ground bearings of the same execution stack in back-to-back, face-to-face or tandem order.
The 40 x 62 x 12 mm envelope is the ISO 71908 size at a 15° contact angle, written 71908 by SKF, FAG and SNR and 7908 by NSK, NTN, RHP and Koyo. Those crosses are on the single-bearing envelope; this listing is a factory-matched three-bearing stack.
$231.30
29 in stock
A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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