RHP7208CTDUXP4-1/2PRSuper Precision Angular Contact Ball Bearing – Straight Bore, 40 mm ID, 80 mm OD, 18 mm Width, Open, 15° Contact Angle, ABEC 7 / P4, Universally Ground

Product Description

What this part is:

RHP 7208CTDUXP4-1/2PR super-precision single-row angular contact ball bearing, one bearing from a universally ground pair. 40 mm bore, 80 mm outside diameter, 18 mm width, 15° contact angle, P4 / ABEC 7, open, laminated phenolic cage.

Decoding the designation:

7208 — single-row angular contact, ISO dimension series 02, bore code 08 for a 40 mm bore.

C — 15° contact angle.

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

DU — universally ground paired unit.

P4 — precision grade.

1/2PR — one bearing from the pair.

Specifications:

Bore Diameter: 40 mm. Outside Diameter: 80 mm. Overall Width: 18 mm. Contact Angle: 15°. Precision Class: P4, equivalent to ABEC 7 and ISO Class 4. Dynamic Load Rating: 36,500 N. Static Load Rating: 25,200 N. Limiting Speed: 18,900 rpm grease; 30,600 rpm oil-air. Cage Material: Laminated phenolic resin. Cage Type: Outer ring guided. Bore Type: Straight. Closure Type: Open. Rolling Elements: Ball. Number Of Rows: 1. Lubricant: grease or oil. Bearing Material: Through-hardened carbon chrome bearing steel to SAE52100. Item Weight: 0.366 kg (0.81 lb). Series: 7200, ISO dimension series 02. Base Number: 7208. Unit Quantity: 1 Pc. Country of Origin: United Kingdom.

Dimensions and mounting:

Shaft abutment diameter d1: 47 mm minimum. Housing abutment diameter D1: 73 mm maximum. Outer ring abutment D2: 75 mm maximum. Chamfer r: 1.1 mm minimum. Chamfer r1: 0.6 mm minimum. Effective Load Centre a: 17.0 mm. Internal volume: 15.5 cm³. P4 tolerances: bore deviation −5 µm, outside diameter deviation −5 µm, radial runout of the assembled inner ring 4 µm, radial runout of the assembled outer ring 5 µm. Universal face control: inner and outer rings are the same width and the relative positions of the faces are adjusted at manufacture, so the bearing combines back-to-back, face-to-face or in tandem with another bearing of the same designation without ground spacers.

Compatibility and replacement:

Related designations: SKF 7208 CD/P4A, FAG B7208-C-T-P4S, Fafnir 2MM208WI CR. The 25° 7208A5 shares the 40 x 80 x 18 mm envelope with different angle, speed limit and rating (34.5 kN dynamic, 26,800 rpm oil-air). Also written 7208C, 7208-C-T-DUX-P4, 7208 CT DUX P4, 7208X2TADUXEP7 and 2MM208WI CR DUX.

Frequently asked questions:

What are the dimensions of the RHP 7208CTDUXP4-1/2PR?

Bore 40 mm, outside diameter 80 mm, width 18 mm.

What are its load ratings and limiting speeds?

Dynamic load rating 36,500 N, static load rating 25,200 N, limiting speed 18,900 rpm on grease and 30,600 rpm on oil-air.

What does 1/2PR mean?

One bearing from a universally ground pair.