RHP7026CTDULP4Super Precision Angular Contact Ball Bearing Pair – 130 mm ID, 200 mm OD, 33 mm Width, 15° Contact Angle, Light Preload, P4

Product Description

What this part is:

RHP 7026CTDULP4 super-precision angular contact ball bearing, a universally ground duplex pair supplied as 2 pieces. 70 series, ISO dimension series 10. Unit Quantity: 2 Pcs. The carton also carries the RHP B-series form B7026X2TADUEP7 and the Fafnir form 2MM9126WI-CR-DUL.

Decoding the designation:

7026 — ISO 70 series angular contact, bore code 26, 130 mm bore.

C — 15° contact angle.

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

DU — universally ground pair.

L — light preload, 980 N axial.

P4 — ISO tolerance class 4, equal to ABEC 7 and RHP EP7.

B7026X2TADUEP7 — RHP B-series form of the same part; X2 is the 15° angle and EP7 is the P4 class.

Specifications:

Bore Diameter: 130 mm. Outside Diameter: 200 mm. Overall Width: 33 mm per bearing. Total Width: 66 mm for the pair. Contact Angle: 15°. Dynamic Load Rating: 129,000 N per bearing. Static Load Rating: 137,000 N per bearing. Limiting Speed: 10,200 rpm oil-air; 6,500 rpm grease, single bearing. Preload: Light, 980 N axial. Axial stiffness of the pair at light preload: 167 N/µm. Cage Material: Laminated phenolic resin. Cage Type: Outer-ring guided. Maximum temperature: 120 °C. Precision Class: ABEC 7 / P4. Item Weight: 3.229 kg (7.12 lb) per bearing. Rolling Elements: Steel balls. Closure Type: Open. Number Of Rows: 1 per bearing.

Dimensions and mounting:

Effective load centre (a): 38.6 mm. Shaft shoulder diameter (d1): 140 mm maximum. Housing shoulder diameter (D1): 190 mm minimum. Outer ring abutment (D2): 194 mm maximum. Corner radius r: 2.5 mm minimum. Corner radius r1: 1.0 mm minimum. Internal free volume: 131.8 cm³ per bearing. Universal face control: the pair mounts back-to-back, face-to-face or in tandem at the same preload value. Back-to-back at light preload the limiting speed is 0.80 of the single-bearing figure.

Compatibility and replacement:

Cross-references: SKF 7026 CD/P4ADGA, FAG B7026-C-T-P4S-DUL, Fafnir 2MM9126WI-CR-DUL and Barden 126HDL. RHP 7026A5TRDUL is the 25° version in the same envelope.

Frequently asked questions:

What size is the RHP 7026CTDULP4?

Bore 130 mm, outside diameter 200 mm, width 33 mm per bearing; the pair measures 66 mm total width.

What are the load ratings?

Dynamic load rating is 129,000 N and static load rating is 137,000 N per bearing, from the RHP catalogue.

What do the DU and L in the designation mean?

DU is a universally ground pair and L is light preload, 980 N axial.