RHPAngular Contact Ball Bearing – Straight Bore, 65 mm ID, 100 mm OD, 18 mm Width, ABEC 7 / P4, Light Preload, Open.

Product Description

What this part is

RHP 7013TDULP4 matched duplex pair of super precision single-row angular contact ball bearings. Bore Diameter: 65 mm. Outside Diameter: 100 mm. Overall Width: 18 mm per bearing. Total Width: 36 mm for the pair. Rolling Elements: Ball. Number Of Rows: 1 per bearing. Bore Type: Straight. Closure Type: Open. Series: 7000. Base Number: 7013.

Decoding the designation

7 — single-row angular contact ball bearing.

0 — RHP dimension series 0, ISO series 10.

13 — bore code 13, a 65 mm bore.

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

DU — duplex universal. Two bearings ground as a matched set with the bores and outside diameters size-graded to share load evenly when mounted close together.

L — light preload. Preload: Light (L).

P4 — RHP precision grade P4. Precision Class: ABEC 7 / P4. The carton’s EP7 marking is the British Standards form of the same grade.

What these specs mean in practice

Precision Class: ABEC 7 / P4. Cage Material: Phenolic. Cage Type: Machined, outer-ring guided. Bearing Material: Bearing steel, SAE 52100 equivalent, through hardened and heat treated for dimensional stability. Lubricant: Grease or oil. Max temp: 120 °C.

At P4 the assembled inner ring runs within 4 µm radial runout and the outer ring within 5 µm, on a 65 mm bore and a 100 mm outside diameter. Light preload is the level chosen for most spindle work where loads and speeds are not extreme.

Mounting data

Shaft abutment diameter d1: 72 mm minimum. Abutment diameter D1: 93 mm maximum. Abutment diameter D2: 95 mm maximum. Chamfer dimension r: 1.1 mm minimum. Chamfer dimension r1: 0.6 mm minimum. Internal free volume: 19.0 cm³ per bearing. Pitch circle diameter for lubrication jets: 77.5 mm. Item Weight: 0.870 kg (1.92 lb) for the pair, 0.435 kg (0.96 lb) per bearing. Recommended shaft fit at P4 on a 65 mm seat: +3 to −2 µm. Recommended housing fit for a locating bearing on a 100 mm bore: +5 to −2.5 µm.

Quantity and configuration

Unit Quantity: 2 Pcs. Mounting Arrangement: matched duplex pair, universally face-ground. Inner and outer rings of each bearing are the same width with the face steps pre-adjusted at manufacture, so the pair mounts back-to-back, face-to-face or in tandem without custom-ground spacers. Each ring is marked at the high point of radial runout by a burnished spot on the inner ring face and a V line on the outer ring outside diameter.

Interchange guidance

Timken/Fafnir MM9113WICRDUL is the same bearing under the Fafnir scheme and is marked on the same carton. Bearings sharing the 65 x 100 x 18 mm envelope: SKF 7013, FAG B7013, NSK 7013, NTN 7013, Koyo 7013, SNR 7013.