RHP7024CTDULP4Super Precision Angular Contact Ball Bearing Duplex Pair – 120 mm ID, 180 mm OD, 28 mm Width, 15° Contact Angle, P4, Light Preload, Open

Product Description

What this part is:

RHP 7024CTDULP4 super precision angular contact ball bearings, supplied as a factory-matched duplex pair (Unit Quantity: 2 Pcs). Single row each, open, straight bore, universally faced, 15° contact angle, P4 precision, light preload, machined phenolic cage. Series 70, ISO dimension series 10.

Decoding the designation:

7024 — ISO 70 series angular contact bearing, bore code 24 (120 mm).

C — 15° contact angle.

T — machined laminated phenolic resin cage, outer ring guided.

DU — duplex pair with universal face control; L — light preload.

P4 — precision class equivalent to EP7, ABEC 7 and ISO Class 4.

Specifications:

Bore Diameter: 120 mm. Outside Diameter: 180 mm. Overall Width: 28 mm per bearing, 56 mm across the pair. Contact Angle: 15°. Precision Class: ABEC 7 / P4. Dynamic Load Rating: 112,000 N per bearing. Static Load Rating: 117,000 N per bearing. Limiting Speed: 7,200 rpm grease; 11,200 rpm oil/air, single bearing. Preload: Light, 830 N axial. Axial Stiffness: 153 N/µm at light preload. Running Accuracy: inner ring radial runout 5 µm max; outer ring radial runout 10 µm max. Cage Material: Phenolic. Rolling Elements: Ball. Item Weight: 2.082 kg (4.59 lb) each. Country of Origin: United Kingdom.

Dimensions and mounting:

Inner ring abutment diameter d1: 130 mm minimum. Outer ring abutment diameters D1 and D2: 170 mm and 174 mm maximum. Fillet radii r and r1: 2.5 mm and 1.0 mm minimum. Effective load centre a: 34.1 mm. Lubrication jet pitch circle diameter: 142.3 mm. Internal free volume: 93.5 cm3 per bearing. Maximum operating temperature: 120 °C. Rings and balls: SAE 52100 through-hardened chrome bearing steel. Recommended limiting speed for a light-preload back-to-back pair is 0.80 of the single-bearing figure: 8,960 rpm oil/air, 5,760 rpm grease. Universal face control: the pair mounts back-to-back, face-to-face or in tandem at the marked light preload.

Compatibility and replacement:

Cross-references: SKF 7024 CD/P4ADGA (15°, light preload); NSK 7024CTRDULP4 (15°, outer-ring-guided phenolic cage); Fafnir 2MM9124WICRDUL (15°). Carton designations: 7024CTDULP4, 7024-C-T-DUL-P4, B-7024-X2-TA-UL-EP7, 2MM9124WICRDUL.

Frequently asked questions:

What size is the RHP 7024CTDULP4?

Bore 120 mm, outside diameter 180 mm, width 28 mm per bearing, 56 mm across the pair.

What are its load ratings?

Dynamic 112,000 N and static 117,000 N per bearing (RHP catalogue C859/B/E/I/03.02).

What is the limiting speed?

11,200 rpm on oil/air and 7,200 rpm on grease for a single bearing.