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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
Angular contact ball bearing pair, 35 mm bore, 55 mm OD, 10 mm wide, 30° contact angle, ABEC 5 / P5. Back-to-back DB matched set with Light preload.
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$145.33
2 in stock
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| MFR / Brand | NTN |
|---|---|
| MPN | 7907DBGLP5 |
| Model | 7907 DB GL P5 / 3MM9307WI CR SUL |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 35 mm |
| OD | 55 mm |
| Width | 10 mm |
| Material | High Carbon Chrome Steel |
|---|---|
| Series | 7900 |
| Lubricant | Grease or oil |
| Preload | Light |
| Base Number | 7907 |
| Total Width | 20 mm (DB pair) |
| Mpn Variants | 7907DBGLP5, 7907DB/GLP5, 7907 DB GL P5, 7907DB-GLP5, 3MM9307WI CR SUL (carton marking) |
| 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 | 30° |
| Mounting Arrangement | Back-to-back (DB) |
| Cross Reference 1 | NSK 7907A (30°, DB, P5, light preload) |
|---|---|
| Cross Reference 2 | Koyo 7907 (30°, DB, P5, light preload) |
| Cross Reference 3 | Nachi 7907 (30°, DB, P5, light preload) |
NTN 7907DBGLP5 is a matched pair of thin-section single-row angular contact ball bearings in the ISO 7907 size (79 series), ground for back-to-back mounting with Light preload. Bore Diameter: 35 mm. Outside Diameter: 55 mm. Width: 10 mm per bearing. Total Width: 20 mm as a DB pair. Contact Angle: 30°. Preload: Light. Precision Class: ABEC 5 / P5.
7907 — NTN single-row angular contact ball bearing, 79 (ultra-light) series, 35 mm bore. No angle letter: 30° contact angle.
DB — back-to-back matched pair. Two single-row bearings ground as a set. Not a double-row bearing.
GL — Light preload.
P5 — ISO tolerance class 5, equivalent to ABEC 5.
The 79 series gives a narrow 10 mm section for compact spindle housings. Back-to-back mounting takes axial load in both directions with high tilting stiffness. Light preload keeps heat generation low at speed while removing internal play.
Fillet Radius r min: 0.6 mm. Fillet Radius r1 min: 0.3 mm. Effective Load Centre a: 18 mm per bearing. Shaft Abutment da min: 39.5 mm. Housing Abutment Da max: 50.5 mm.
Unit Quantity: 2 Pcs. One DB matched pair. Mounting Arrangement: Back-to-back (DB). Carton marking: 3MM9307WI CR SUL.
NSK 7907A, Koyo 7907 and Nachi 7907 in DB, P5 execution with light preload (30°). The Fafnir 3MM9307WI carton marking is a 25° design.
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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.
Our team can locate, cross-reference, and source all parts.
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