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Super precision angular contact ball bearing pair, 75 x 115 x 20 mm, 15° contact angle, light preload, P4 tolerance, open, phenolic cage.
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| MFR / Brand | NTN |
|---|---|
| MPN | 7015CGD2GLP4 |
| Model | 7015C GD2 GL P4 / 2MM9115 WI CR DUL |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 75 mm |
| OD | 115 mm (4.5276 in) |
| Width | 20 mm |
| Material | Bearing Steel |
|---|---|
| Series | 7000 |
| Condition | New |
| Lubricant | Oil/Grease |
| Preload | Light |
| Base Number | 7015C |
| Industry Terms | Spindle bearing pair; super precision angular contact; duplex set; machine tool spindle bearing |
| Application Types | Machine tool spindles; grinding spindles; high-speed motors |
| Total Width | 40 mm (1.5748 in) as a duplex pair |
| Overall Width | 20 mm (0.7874 in) per bearing |
| Bore Shaft Size | 75 mm (2.9528 in) |
| Mpn Variants | 7015CGD2GLP4; 7015C GD2 GL P4; 7015-C-GD2-GL-P4; 7015 C GD2GL P4; 2MM9115WICR DUL; GD2 |
| Arrangement Configuration | DUL - duplex, universally matchable, light preload |
| Precision Class | P4 (ABEC 7) |
| Additional Attributes | Load centre a 22.5 mm; da min 82.0 mm; Da max 108.0 mm; Db max 110.5 mm; chamfer r 1.1 mm, r1 0.6 mm; f0 factor 15.9 |
| Min Temp | -40 °C |
| Cage Type | Machined, outer-ring-land-riding |
| Dynamic Load Rating | 48.0 kN (10,800 lbf) per bearing |
| Static Load Rating | 45.5 kN (10,200 lbf) per bearing |
| Precision Rating | ABEC 7 / P4 |
| Rolling Elements | Steel balls |
| Max Temp | 120 °C |
| Item Weight | 1.80 lb (0.82 kg) per bearing |
| Cage Material | Phenolic (fabric-base laminate) |
| Number Of Rows | 1 per bearing |
| Bore Type | Straight, round |
| Snap Ring Included | Not specified |
| Internal Clearance | N/A - preloaded matched pair |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15 ° |
| Mounting Arrangement | Universally matchable - DB, DF or DT |
| Design Units | Metric |
| Bearing Material | High carbon chrome steel |
| Part Number | 7015CGD2GLP4 |
| Cross Reference 1 | SKF 7015 CD/P4DGA |
|---|---|
| Cross Reference 2 | FAG B7015-C-T-P4S-DUL |
| Cross Reference 3 | Fafnir 2MM9115WICRDUL |
NTN 7015CGD2GLP4 super-precision angular contact ball bearing. Series: 70. Bore: 75 mm. Outside diameter: 115 mm. Width per bearing: 20 mm. Open on both faces. Two pieces, factory matched as a universally matchable duplex pair. Country of origin: Japan.
7015 — ISO 70 series, 75 mm bore. C — Contact Angle: 15°. G — universally matchable: the ring faces are flush ground so any two bearings stack back-to-back, face-to-face or in tandem. GL — Preload: light. P4 — Precision Class: ABEC 7. The carton also carries the Fafnir designation 2MM9115WICR DUL, where DUL reads duplex, universally matchable, light preload.
A 15° contact angle favours speed and radial rigidity over thrust capacity. Dynamic Load Rating: 48.0 kN (10,800 lbf) per bearing. Static Load Rating: 45.5 kN (10,200 lbf) per bearing. Limiting Speed: 11,000 rpm on oil, 8,600 rpm on grease. Load centre: 22.5 mm. Operating temperature range: -40 to 120 °C. The phenolic cage is outer-ring-land-riding, which is what allows the high oil-lubricated speed.
Two pieces. Mounted as a duplex pair the total width is 40 mm. Light preload gives lower heat generation and higher speed capability than a medium or heavy set on the same envelope.
Bore form: round cylindrical, straight. Shaft backing shoulder da min 82.0 mm. Housing shoulder Da max 108.0 mm, Db max 110.5 mm. Chamfer limits r 1.1 mm and r1 0.6 mm. Lubrication: oil or grease. Item weight 1.80 lb (0.82 kg) per bearing.
SKF 7015 CD/P4DGA and FAG B7015-C-T-P4S-DUL are the equivalent 15° light-preload universally matchable executions on the same 75 x 115 x 20 mm envelope. Fafnir 2MM9115WICRDUL is the Timken/Fafnir equivalent. Searchable forms: 7015C GD2 GL P4, 7015-C-GD2-GL-P4, 7015 C GD2GL.
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