NSK7010A5TYDUMPA7Angular Contact Ball Bearing Duplex Set – 50 x 80 x 16 mm, 25° Contact Angle, Medium Preload, Ball-Guided Cage, Open

Product Description

What this part is:

NSK 7010A5TYDUMPA7 super-precision angular contact ball bearing duplex universally ground set of 2 pieces, 50 x 80 x 16 mm per bearing. Straight bore, open, single row of balls per bearing, ball-guided cage, medium preload.

Decoding the designation:

7010 — ISO 70 extra-light series angular contact ball bearing, 50 mm bore.

A5 — 25° contact angle.

TY — ball-guided cage.

DU — duplex universally ground, any two pieces close to the set preload in any arrangement.

M — medium preload, 580 N in a back-to-back or face-to-face pair.

Specifications:

Bore Diameter: 50 mm. Outside Diameter: 80 mm. Overall Width: 16 mm per bearing. Total Width: 32 mm. Contact Angle: 25°. Dynamic Load Rating: 31,000 N per bearing. Static Load Rating: 20,800 N per bearing. Permissible Axial Load: 16,200 N. Limiting Speed: 15,400 rpm grease; 23,100 rpm oil. Preload: M medium, 580 N. Axial Rigidity: 208 N/µm. Cage Type: Ball-guided. Rolling Elements: Ball. Bore Type: Straight. Closure Type: Open. Bearing Material: Chrome steel. Item Weight: 0.27 kg (0.60 lb) per bearing. Unit Quantity: 2 Pcs.

Dimensions and mounting:

Shaft seat 50 mm. Housing bore 80 mm. Ring width 16 mm each, 32 mm across the pair. Effective load centre a: 23.2 mm. Shaft abutment da min: 56 mm. Housing abutment Da max: 74 mm. Housing abutment Db max: 75 mm. Chamfer r min: 1.0 mm. Second chamfer r1 min: 0.6 mm. Shaft or housing fillet ra max: 1.0 mm. Second fillet rb max: 0.5 mm. Recommended grease quantity: 1.5 g per bearing. Arrangement: universally matchable back-to-back, face-to-face or tandem.

Compatibility and replacement:

Cross-references: NSK 7010A5TYDUM (without the PA7 grade marking); SKF 7010 ACD/P4A, FAG B7010-E-T-P4S, IBC 7010-E-T-P4S, GMN S 6010 E TA, SNFA EX70/NS 9 CE3 and RHP 7010X3 (25° singles, not a matched pair); Timken 3MM9110WI (25°, phenolic land-riding cage). Carton cross 7010E uses the E convention for 25°. Searchable variants: 7010A5TYDUMPA7, 7010-A5-TY-DUM-PA7, 7010A5 TY DUM PA7, 7010A5TYDUM, 7010A5TYNDUM, 7010A5, 7010E.

Frequently asked questions:

What are the dimensions of the NSK 7010A5TYDUMPA7?

Bore 50 mm, outside diameter 80 mm, width 16 mm per bearing, 32 mm across the pair.

What do A5 and DUM mean in 7010A5TYDUMPA7?

A5 is a 25° contact angle. DUM is a duplex universal grind at medium preload, 580 N.

What are the load ratings and speed of the NSK 7010A5TYDUMPA7?

Per bearing, 31,000 N dynamic and 20,800 N static. Limiting speed is 15,400 rpm on grease and 23,100 rpm on oil.