NSK7208A5TYDUMAngular Contact Ball Bearing Duplex Pair – 40 mm Bore, 80 mm OD, 18 mm Width, 25 Degree Contact Angle, Medium Preload, Open, Universally Ground

Product Description

What this part is:

NSK 7208A5TYDUM angular contact ball bearing supplied as a universally ground duplex pair at medium preload: 40 mm bore, 80 mm outside diameter, 18 mm width per bearing, 25° contact angle, open, ball-guided cage. Unit Quantity: 2 Pcs, two separate bearings forming one duplex pair.

Decoding the designation:

72 — ISO 72 dimension series; 08 is the bore code, giving the 40 mm bore.

A5 — NSK code for a 25° contact angle, read as one code. A on its own denotes 30° in the NSK scheme.

TY — ball-guided cage.

DU — duplex pair, universally ground.

M — medium preload.

Specifications:

Bore Diameter: 40 mm. Outside Diameter: 80 mm. Width: 18 mm per bearing. Total Mounted Width of the pair: 36 mm. Contact Angle: 25°. Dynamic Load Rating (Cr): 44,000 N per bearing. Static Load Rating (C0r): 24,100 N per bearing. Permissible Axial Load (Pa): 20,600 N. Preload: Medium (M). Cage Type: Ball-guided. Rolling Elements: Ball. Number Of Rows: 1 per bearing. Bore Type: Straight. Closure Type: Open. Series: ISO 72, 7208. Item Weight: 0.362 kg per bearing. Unit Quantity: 2 Pcs.

Dimensions and mounting:

Contact Point Distance (a): 23.0 mm. Minimum Shaft Shoulder Diameter (da min): 47 mm. Maximum Housing Shoulder Diameter (Da max): 73 mm. Maximum Housing Bore Shoulder (Db max): 75 mm. Chamfer Dimension (r min): 1.1 mm. Chamfer Dimension (r1 min): 0.6 mm. Universal grinding allows back-to-back, face-to-face or tandem arrangement.

Compatibility and replacement:

Cross-references at 25° contact angle and medium preload: FAG B7208-E-T-P4S-DUM (P4S class), RHP 7208A5TYNDUMP4 (TYN cage). The 7208 at 15° (NSK C) or 30° (NSK A), the light preload 7208A5TYDUL and the 7008A5TYDUM (ISO 70 series, narrower section at the same 40 mm bore) are related sizes. Searchable variants: 7208A5TYDUM, 7208-A5TY-DUM, 7208 A5TY DUM, 7208A5TY, 7208A5TYDU, 7208A, 7208A5.

Frequently asked questions:

What are the load ratings of the NSK 7208A5TYDUM?

Dynamic load rating Cr 44,000 N and static load rating C0r 24,100 N per bearing.

What contact angle does the 7208A5TYDUM have?

25°. A5 is NSK’s code for 25°; A alone denotes 30°.

What do DU and M mean in 7208A5TYDUM?

DU is a universally ground duplex pair and M is medium preload.