RHP7209RCTDUMP2Super Precision Angular Contact Ball Bearing Duplex Pair – 45 mm ID, 85 mm OD, 19 mm Width Each, Open, 15 Degree Contact Angle, ABEC 9, Medium Preload, Phenolic Cage

Product Description

What this part is:

RHP 7209RCTDUMP2 is a matched duplex pair of super-precision angular contact ball bearings, 45 mm bore, 85 mm outside diameter, 19 mm width per bearing. Two bearings, supplied as one matched set. Unit Quantity: 2 Pcs.

Decoding the designation:

7209 — ISO size code. Bore 45 mm, outside diameter 85 mm, width 19 mm.

C — Contact angle 15°. The RHP B-series form of this carton marking, X2, also gives 15°, and the Fafnir form 2MM gives 15°.

T — One-piece fabric-base laminate phenolic cage. The RHP B-series form TA is the outer-ring centred execution.

DUM — Duplex set at medium preload, faces ground for universal arrangement.

P2 — Precision grade ABEC 9. The RHP B-series form EP9 is also ABEC 9.

Specifications:

Bore Diameter: 45 mm. Outside Diameter: 85 mm. Width: 19 mm per bearing. Total Width: 38 mm for the mounted duplex pair. Contact Angle: 15°. Number Of Rows: 1 per bearing. Rolling Elements: Ball. Bore Type: Straight. Closure Type: Open. Cage Material: Phenolic. Precision Class: ABEC 9 / P2. Preload: Medium. Mounting Arrangement: universal — back-to-back, face-to-face or tandem. Series: ISO 72 series, 7209. Base Number: 7209.

Dimensions and mounting:

Envelope: 45 x 85 x 19 mm per bearing, ISO 7209 size. Preload is set by the ground faces; the pair carries no internal clearance class.

Compatibility and replacement:

Cross-references: Fafnir 2MMV209WO CR DUM; SKF 7209 CD/P4 (P4 class, not P2); 7209 E / 3MM209WI (25° vs 15°); 7209 B (40° vs 15°). Carton designations: 7209-R-C-T-DUM-P2, 7209-R-X2-TA-DUM-EP9 and 2MMV209WO-CR-DUM. Also written 7209RX2TADUM and 7209C.

Frequently asked questions:

What are the dimensions of the RHP 7209RCTDUMP2?

Each bearing is 45 mm bore, 85 mm outside diameter and 19 mm wide. A mounted pair is 38 mm wide.

What contact angle and precision grade does it have?

Contact angle is 15° (C). Precision grade is ABEC 9 (P2 / EP9).

What does DUM mean in the designation?

DUM is a duplex set at medium preload with faces ground for universal arrangement.