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Central Surplus Bearing Finder
A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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1 in stock
Angular contact ball bearing pair, 40 mm bore, 62 mm OD, 12 mm width, 15° contact angle, back-to-back DB, ABEC 5 / P5 precision. Two bearings, 24 mm stack.
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| MFR / Brand | NTN |
|---|---|
| MPN | 7908CDBGNP5 |
| Model | 7908 C DB GN P5 / 2MM9308WI CR |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 40 mm |
| OD | 62 mm |
| Width | 12 mm |
| Material | Bearing Steel |
|---|---|
| Series | 7900 |
| Preload | Normal |
| Total Width | 24 mm (pair) |
| Mpn Variants | 7908CDBGNP5, 7908C DB GN P5, 7908-C-DB-GN-P5, 71908CDB |
| Precision Class | ABEC 5 / P5 |
| Rolling Elements | Ball |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15° |
| Mounting Arrangement | Back-to-back (DB) |
| Bearing Material | High carbon chrome steel |
| Cross Reference 1 | Fafnir 2MM9308WICR (ABEC 7) |
|---|---|
| Cross Reference 2 | NSK 7908CTYNDBLP5 (light preload) |
NTN 7908CDBGNP5 is a matched pair of thin-section single-row angular contact ball bearings ground for back-to-back mounting. Bore Diameter: 40 mm. Outside Diameter: 62 mm. Width: 12 mm per bearing. Total Width: 24 mm (pair). Contact Angle: 15°. Precision Class: ABEC 5 / P5. Closure Type: Open.
7908 — ISO 79 series (719 extra-light section), bore code 08, 40 x 62 x 12 mm.
C — 15° contact angle.
DB — back-to-back matched pair. Two single-row bearings ground as a set. Not a double-row bearing.
GN — NTN normal preload setting for the matched pair.
P5 — ISO class 5 tolerances, equivalent to ABEC 5.
The 79 series packs a 40 mm bore into a 62 mm envelope, suited to compact spindles and rotary tables. The 15° angle favours speed and radial stiffness; back-to-back mounting gives the pair moment stiffness and axial location in both directions.
Fillet Radius r: 0.6 mm. Fillet Radius r1: 0.3 mm. Shaft Abutment da min: 44.5 mm. Housing Abutment Da max: 57.5 mm.
Unit Quantity: 2 Pcs. One matched DB pair.
Cross-Reference: Fafnir 2MM9308WICR in duplex form, a 15° bearing on the same 40 x 62 x 12 mm envelope in ABEC 7. Cross-Reference: NSK 7908CTYNDBLP5, a 15° back-to-back P5 pair with light preload.
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Rockwell’s own product page for the Kinetix 6000 is down
A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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