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Availability:
5 in stock
Super precision angular contact ball bearing, 75 x 115 x 20 mm, 15° contact angle, phenolic cage, ABEC 7, light preload duplex pair.
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$374.26
5 in stock
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| MFR / Brand | RHP |
|---|---|
| MPN | 7015CTDULP4 |
| Model | 7015 C T DUL P4 / B7015X2 T UL EP7 / 2MM9115WI CR DUL |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 75 mm |
| OD | 115 mm |
| Width | 20 mm |
| Material | High Carbon Chrome Steel |
|---|---|
| Series | 70 Series |
| Condition | New |
| Lubricant | Preserved |
| Preload | Light Preload |
| Base Number | 7015 |
| Industry Terms | Super precision spindle bearing, machine tool spindle bearing, duplex pair, universally ground angular contact bearing, phenolic cage angular contact, light preload spindle set |
| Common Misspellings | 7015CTDUL P4, 7015 CTDULP4, RHP 7015C TDUL P4, 7015CTDULP-4 |
| Application Types | Machine tool spindles, grinding spindles, high speed rotary tables, precision gearboxes |
| Total Width | 40 mm for the duplex pair |
| Overall Width | 20 mm |
| Bore Shaft Size | 75 mm |
| Mpn Variants | 7015CTDULP4, 7015-C-T-DUL-P4, 7015 C T DUL P4, 7015CTDUL P4, B7015X2TULEP7, B-7015-X2-T-UL-EP7, 2MM9115WICRDUL, 2MM9115WI-CR-DUL |
| Arrangement Configuration | Duplex pair, universally ground (DUL) |
| Precision Class | P4 / EP7 / ABEC 7 |
| Additional Attributes | Effective load center a: 22.7 mm. Permissible axial load Pa: 28.1 kN. Axial rigidity at light preload: 92 N/micron. Measured axial clearance at light preload: -14 micron. Shaft abutment da min 82 mm; housing abutment Da max 108 mm, Db max 110 mm. Fillet radii ra max 1 mm, rb max 0.6 mm. Bearing chamfer r min 1.1 mm, r1 min 0.6 mm. Calculation factor f0: 15.9. |
| Min Temp | -30°C |
| Cage Type | Machined, outer ring land riding |
| Dynamic Load Rating | 60.5 kN per bearing |
| Static Load Rating | 45.5 kN per bearing |
| Precision Rating | ABEC 7 / P4 / EP7 |
| Rolling Elements | Ball |
| Max Temp | 120°C |
| Item Weight | 1.42 lb (0.643 kg) each; 2.84 lb (1.29 kg) for the pair |
| Cage Material | Phenolic laminate |
| Limiting Speed | 12,200 rpm grease / 18,500 rpm oil or oil-air |
| Number Of Rows | 1 per bearing |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Internal Clearance | N/A - preloaded set |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15° |
| Mounting Arrangement | Universally matchable - DB, DF or DT |
| Design Units | Metric |
| Bearing Material | High carbon chrome bearing steel |
| Running Accuracy | P4 / ABEC 7 / ISO Class 4 |
| Part Number | 7015CTDULP4 |
| Running Accuracy Radial And Axial Runout | P4 / ABEC 7 / ISO Class 4 |
| Cross Reference 1 | SKF 7015 CD/P4ADGA |
|---|---|
| Cross Reference 2 | NSK 7015CTRDULP4 |
| Cross Reference 3 | FAG B7015-C-T-P4S-DUL |
| Cross Reference 4 | Fafnir 2MM9115WICRDUL |
| Cross Reference 6 | NSK 7015CTYNDULP4 (related build, polyamide cage) |
RHP 7015CTDULP4 super precision angular contact ball bearing. Series: 7000. Bore: 75 mm. Outside Diameter: 115 mm. Width: 20 mm. Contact Angle: 15°. Single row, open, universally ground and matchable. Also written 7015-C-T-DUL-P4, 7015 C T DUL P4 and 7015CTDUL P4.
C: 15° contact angle. T: machined laminated phenolic cage, outer ring land riding, rated to 120 °C. DUL: duplex pair, universally ground, light preload. P4: EP7, equivalent to ABEC 7. Carton cross designations B7015X2TULEP7 and Fafnir 2MM9115WICRDUL carry the same 15° angle and EP7 class.
Basic Dynamic Load Rating: 60.5 kN per bearing. Basic Static Load Rating: 45.5 kN per bearing. Permissible Axial Load: 28.1 kN. A 15° contact angle favours speed and radial stiffness over thrust capacity, which is what a machine tool spindle position needs. Limiting speed runs to 12,200 rpm on grease and 18,500 rpm on oil or oil-air lubrication. The phenolic cage is light and self lubricating and holds ball guidance steady to 120 °C.
Light preload, 294 N across a back-to-back or face-to-face pair, giving 92 N/µm axial rigidity and 14 µm measured axial clearance. Effective Load Center a: 22.7 mm. Light preload runs cooler and holds grease longer than a medium or heavy set, which suits high speed spindle positions.
Two bearings, supplied as a universally ground duplex pair at light preload. Universally ground rings mount back-to-back, face-to-face or in tandem, with the preload set by the ground ring faces.
Diameter of Shaft Abutment, da min: 82 mm. Diameter of Housing Abutment, Da max: 108 mm and Db max: 110 mm. Radius of Shaft or Housing Fillet, ra max: 1 mm, rb max: 0.6 mm. Bearing chamfer r min: 1.1 mm, r1 min: 0.6 mm. Recommended grease quantity: 3.4 g per bearing.
ISO base number 7015. Direct equivalents at the same 15° angle, P4 class and light preload: NSK 7015CTRDULP4, SKF 7015 CD/P4ADGA, FAG B7015-C-T-P4S-DUL, Fafnir 2MM9115WICRDUL. Related build with a polyamide cage: NSK 7015CTYNDULP4.
$141.11
255 in stock
$141.11
255 in stock
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