RHP7000CTDULP4Angular Contact Ball Bearing – 10 mm ID, 26 mm OD, 8 mm Width, 15° Contact Angle, Light Preload, ABEC 7 / P4.

Product Description

What this part is

RHP 7000-C-T-DUL-P4 super-precision single-row angular contact ball bearing, supplied as a universally ground matched pair. Bore Diameter: 10 mm. Outside Diameter: 26 mm. Overall Width: 8 mm per bearing. Total Width: 16 mm as a mounted pair. Contact Angle: 15°. Precision Class: ABEC 7 / P4. Cage Material: Phenolic. Cage Type: Outer-ring guided. Closure Type: Open. Bore Type: Straight. Rolling Elements: Ball. Number Of Rows: 1. Unit Quantity: 2 Pcs. Bearing Material: Chrome bearing steel (SAE 52100), through hardened and heat treated for stability.

Decoding the designation

7 — single-row angular contact ball bearing.

0 — RHP dimension series 0, ISO series 10. This is the 70xx light section.

00 — bore code for a 10 mm bore.

C — 15° contact angle. The lower of the two preferred super-precision angles, favouring speed and radial rigidity over axial capacity.

T — laminated phenolic resin cage, guided on the outer ring. Maximum recommended operating temperature 120 °C.

DU — paired unit. Two universally faced bearings, matched on bore and outside diameter, supplied together as a set.

L — light preload. Axial preload 25 N and axial stiffness 17 N/µm across the pair.

P4 — RHP precision grade P4: ISO Class 4, ABEC 7, British Standard EP7.

B7000X2TADULEP7 — the same bearing in RHP’s B-series scheme. X2 is the 15° contact angle, TA the outer-ring centred cage, DUL the light-preload universal pair, EP7 the BS292 precision grade.

2MM9100WICRDUL — the Fafnir equivalent carried on the same carton. 2MM is 15°, 9100WI the ISO 7000 envelope with low shoulders on both rings, CR the phenolic cage, DUL the light-preload universal pair.

What these specs mean in practice

Dynamic Load Rating: 5,300 N. Static Load Rating: 2,490 N. Limiting Speed: 57,000 rpm grease; 92,400 rpm oil. The oil figure assumes an oil/air system delivering metered oil in an airstream; the grease figure assumes a premium synthetic high-speed grease.

Running Accuracy: inner ring radial runout Kia 2.5 µm maximum, outer ring radial runout Kea 4 µm maximum. Lubricant: grease or oil. Preload: Light (L). Mounting Arrangement: Universal pair (DU).

Universal face control means the inner and outer rings are the same width and the face positions are ground at manufacture to deliver the stated preload. The pair can be mounted back-to-back or face-to-face without changing the preload value, and shares load equally in tandem. Custom-width spacers are not part of the adjustment.

The high point of radial runout is marked with a small circle or burnished spot on the inner ring face and a V line on the outer ring outside diameter. The V line also indicates the direction of the contact angle.

Mounting data

Shaft abutment diameter: 12.5 mm minimum. Housing abutment diameters: 23.5 mm maximum and 24.8 mm maximum. Chamfer dimensions: r 0.3 mm minimum, r1 0.15 mm minimum. Effective load centre a: 6.4 mm. Internal free volume: 0.9 cm³. Lubrication jet pitch circle diameter: 16.1 mm. Item Weight: 0.019 kg (0.04 lb) per bearing.

Limiting speed factors for sets: 0.80 for a back-to-back light-preload pair, a further 50 percent reduction face-to-face, and 0.95 for a spring-loaded tandem pair.

Quantity and configuration

Unit Quantity: 2 Pcs. The two bearings form one factory-matched DUL set with matched bores and outside diameters. Bearings within a set are ground together and are not interchanged between sets.

Interchange guidance

Same envelope, same 15° contact angle and same P4 class: SKF 7000 CD/P4ADGA, FAG B7000-C-T-P4S-UL, NSK 7000CTRDULP4, NTN 7000UCDB/GNP4, Timken/Fafnir 2MM9100WICRDUL, Koyo 7000C-5GLFGP4, GMN S6000 C TA P4, SNR 7000CVDUJ74.

Harmonization Code: 8482.10.50.