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Central Surplus Bearing Finder
A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
Availability:
2 in stock
Matched pair of angular contact ball bearings, 75 x 105 x 16 mm, 15° contact angle, back-to-back, ABEC 3, extra-thin section, open both faces.
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$99.31
2 in stock
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| MFR / Brand | MRC |
|---|---|
| Model | 1915 R DB |
| Bearing Type | Angular Contact Ball Bearing |
| OD | 105 mm |
| Width | 16 mm |
| Base Number | 1915 |
|---|---|
| Industry Terms | thin section angular contact bearing, back to back bearing pair, duplex bearing set, 7915 bearing, matched spindle bearing pair |
| Common Misspellings | MRC 1915 R DB, MCR 1915RDB, 1915RBD, 1951RDB, MRC1915RDB |
| Total Width | 32 mm as a mounted pair |
| Overall Width | 16 mm per bearing |
| Bore Shaft Size | 75 mm |
| Mpn Variants | 1915RDB, 1915-R-DB, 1915 R DB, 1915RD, 7915 |
| Arrangement Configuration | Matched duplex pair, factory ground |
| Precision Class | ABEC 3 |
| Additional Attributes | Counterbored outer ring; extremely light section |
| Material | Chrome steel |
| Series | 1900 Extremely Light |
| Rolling Elements | Balls |
| Number Of Rows | 1 per bearing |
| Bore Type | Straight |
| Contact Angle | 15 deg |
| Mounting Arrangement | Back-to-back (DB) |
| Part Number | 1915RDB |
| Cross Reference 1 | 7915 C DB - 15 deg, back-to-back pair, ABEC 3 or tighter |
|---|
MRC 1915RDB matched pair of single-row angular contact ball bearings, extremely light series, ground for back-to-back mounting. Bore: 75 mm. Outside Diameter: 105 mm. Overall Width: 16 mm per bearing. Total Width: 32 mm as a mounted pair. Contact Angle: 15°. Precision Class: ABEC 3. Number Of Rows: 1 per bearing. Rolling Elements: Balls. Bore Type: Straight. Closure Type: Open both faces. Material: Chrome steel. Unit Quantity: 2 Pcs.
1900 — MRC’s extremely light series. Only 15 mm of radial section separates a 75 mm shaft from a 105 mm housing bore, which is what lets a large-diameter shaft run in a compact head.
15 — the bore code. Multiplied by five it gives Bore: 75 mm.
R — Contact Angle: 15°, with a counterbored outer ring. The counterbore admits a full ball complement past a low shoulder, and the high shoulder opposite takes the thrust.
DB — a matched pair mounted back-to-back. The two outer-ring faces meet at the centre and the load lines diverge outward, spreading the effective support span beyond the physical width of the pair.
Contact Angle: 15° is the shallow end of the angular contact range, giving the highest speed capability of the family and the lowest heat generation. On an extremely light section that combination is the point: a large bore, a small envelope and high running speed. A back-to-back pair takes thrust in both directions and carries an overturning moment, because the diverging load lines give the set a wide virtual support base. Precision Class: ABEC 3 gives closer shaft location and lower running vibration than a standard-class bearing. Bore: 75 mm. Outside Diameter: 105 mm. Overall Width: 16 mm per bearing.
Unit Quantity: 2 Pcs. One factory-matched back-to-back pair, straight bore, open on all faces, supplied together as a ground set.
Cross-Reference 1: 7915 C DB – 15 deg, back-to-back pair, ABEC 3 or tighter. The 75 x 105 x 16 mm envelope is the 7915 size; the 7915 C is the 15° execution.
1915RDB, 1915-R-DB, 1915 R DB, 1915RD B, 7915, MRC 1915RDB.
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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.
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