RHP7009CTDULP3Super Precision Angular Contact Ball Bearing Matched Pair – 45 mm ID, 75 mm OD, 16 mm Width, Open, 15° Contact Angle, Light Preload, P3 Precision Class, 2 Pcs.

Product Description

What this part is:

RHP 7009CTDULP3 is a factory-matched duplex pair of super precision single-row angular contact ball bearings, light preload. Unit Quantity: 2 Pcs, one matched duplex pair. The carton also carries 2M9109WI CR DUL.

Decoding the designation:

7009 — ISO dimension series 10 (70xx), bore code 09, 45 mm bore.

C — 15° contact angle, matching the Fafnir 2MM prefix on the alternate marking.

T — machined laminated phenolic resin cage, outer-ring guided, matching CR on that marking.

DU — matched duplex pair with universal face control.

L — light preload.

P3 — dimensional accuracy ISO Class 4 with running accuracy ISO Class 2.

Specifications:

Contact Angle: 15°. Precision Class: P3 (dimensional accuracy ISO Class 4, running accuracy ISO Class 2). Preload: Light (L), 150 N axial per bearing. Axial Stiffness: 58 N/µm at light preload. Rolling Elements: Ball. Number Of Rows: 1 per bearing. Cage Type: Machined, outer-ring guided. Cage Material: Laminated phenolic resin. Closure Type: Open. Bore Type: Straight. Bearing Material: Carbon chrome bearing steel (SAE 52100 / BS970 534A99). Dynamic Load Rating: 24,400 N per bearing. Static Load Rating: 19,300 N per bearing. Limiting Speed: 30,500 rpm oil/air; 18,800 rpm grease, for a single bearing under spring preload with the inner ring rotating. Running Accuracy: Kia 2.5 µm, Kea 3.8 µm. Maximum Temperature: 120 °C. Lubricant: grease or oil. Series: ISO series 10 (70xx).

Dimensions and mounting:

Bore Diameter: 45 mm (1.7717 in). Outside Diameter: 75 mm (2.9528 in). Width: 16 mm (0.6299 in) per bearing. Total Width: 32 mm as a pair. Shaft abutment diameter d1: 51 mm minimum. Housing abutment diameter D1: 69 mm maximum. Outer ring abutment D2: 70 mm maximum. Chamfer r: 1.0 mm minimum. Chamfer r1: 0.6 mm minimum. Effective load centre a: 16.0 mm. Internal free volume: 11.2 cm³. PCD of lubrication jets: 55.6 mm. Mass: 0.238 kg per bearing, 0.476 kg for the pair.

Compatibility and replacement:

Cross-references: NSK 7009CTRDULP3 (same 45 x 75 x 16 mm envelope, 15°, light preload, P3 grade). Executions of the same number in P4, at 25°, or at medium or heavy preload share the envelope and are related sizes. Also written 7009C-T-DUL-P3, 7009 C T DUL P3, 2M9109WI CR DUL and 2MM9109WI CR DUL.

Frequently asked questions:

What are the dimensions of the RHP 7009CTDULP3?

45 mm bore, 75 mm outside diameter and 16 mm width per bearing; the pair is 32 mm wide.

What are the contact angle, preload and precision class of the RHP 7009CTDULP3?

Contact angle 15°, light preload of 150 N axial per bearing, precision class P3.

What are the load ratings and limiting speeds of the RHP 7009CTDULP3?

Dynamic load rating 24,400 N and static load rating 19,300 N per bearing; limiting speed 30,500 rpm oil/air and 18,800 rpm grease.