Barden2210HDMSuper-Precision Angular Contact Ball Bearing Duplex Pair – Straight Bore, 50 mm ID, 90 mm OD, 20 mm Width, Open, 25° Contact Angle, P4S, Medium Preload, 2 Pcs

Product Description

What this part is:

Barden 2210HDM super-precision angular contact ball bearing set, 200 metric series, 50 mm bore x 90 mm outside diameter x 20 mm width per bearing. Universally mountable duplex pair at medium preload. Unit Quantity: 2 Pcs.

Decoding the designation:

2210 — the Barden 200 metric series in its 25° execution, giving a 50 mm bore on the ISO 7210 envelope.

H — non-separable relieved outer ring, which carries the reinforced phenolic one-piece halo cage.

D — duplex pair, universal mounting.

M — medium preload.

Specifications:

Bore Diameter: 50 mm. Outside Diameter: 90 mm. Overall Width: 20 mm. Bore Type: Straight. Number Of Rows: 1 per bearing. Rolling Elements: Steel balls. Closure Type: Open. Contact Angle: 25°. Precision Class: P4S. Preload: Medium. Cage Material: Reinforced phenolic. Cage Type: One-piece halo design. Material: 100Cr6 bearing steel rings, steel balls. Dynamic Load Rating: 39,660 N. Static Radial Load Rating: 32,911 N. Limiting Speed, oil lubrication: 21,000 rpm. Limiting Speed, grease lubrication: 14,000 rpm. Preload Force at medium class: 885 N. Axial Rigidity at medium class: 209.07 N/µm. Unloading Force at medium class: 2,672.91 N. Lubricant: grease or oil.

Dimensions and mounting:

Maximum Corner Radius, thrust side: 1.00 mm. Maximum Corner Radius, non-thrust side: 0.50 mm. The two bearings assemble back-to-back, face-to-face or in tandem and reach medium preload when clamped.

Compatibility and replacement:

Cross-references carried on the carton: Fafnir 3MM7210WI-CR-DUM, RHP 7210ETDUMP4, SKF 7210 ACD (single bearing), NSK 7210A5 (single bearing). The 15° sibling in Barden’s own scheme is the 210H, which shares the 50 x 90 x 20 mm envelope at a different contact angle.

Frequently asked questions:

What are the dimensions of the Barden 2210HDM?

Bore Diameter: 50 mm. Outside Diameter: 90 mm. Overall Width: 20 mm per bearing.

What contact angle and preload does it have?

Contact Angle: 25°. Preload: Medium.

What are its load ratings and limiting speeds?

Dynamic Load Rating: 39,660 N. Static Radial Load Rating: 32,911 N. Limiting Speed, oil lubrication: 21,000 rpm. Limiting Speed, grease lubrication: 14,000 rpm.