FAGHCS71911-E-T-P4S-N16-DTLHigh Speed Hybrid Ceramic Angular Contact Spindle Bearing Set – 55 mm ID, 80 mm OD, 13 mm Width, Sealed, 25° Contact Angle, Light Preload Tandem Pair, P4S

Product Description

What this part is:

FAG HCS71911-E-T-P4S-N16-DTL hybrid high-speed spindle bearing set, 2 bearings in duplex tandem with light preload. Series HCS719. Bore 55 mm, outside diameter 80 mm, width 13 mm per bearing. Single row each, non-contact seals both sides, greased for life, straight bore. Silicon nitride ceramic balls on steel rings. Country of origin: Germany.

Decoding the designation:

HC — hybrid execution: silicon nitride ceramic balls on steel rings.

S — sealed execution (non-contact seals both sides).

719 — extra-light dimension series.

E — contact angle 25°.

T — laminated fabric (phenolic) cage.

P4S — FAG restricted tolerance class.

DTL — duplex tandem arrangement, light preload.

Specifications:

Bore Diameter: 55 mm. Outside Diameter: 80 mm. Width: 13 mm per bearing. Contact Angle: 25°. Precision Class: P4S. Cage Material: Phenolic (laminated fabric). Dynamic Load Rating: 12,300 N per bearing. Static Load Rating: 7,700 N per bearing. Fatigue Load Limit: 620 N per bearing. Limiting Speed: 28,000 rpm grease. Preload Force: 51 N per bearing. Axial Rigidity: 93 N per micrometre per bearing at light preload. Maximum Operating Temperature: 80°C. Minimum Operating Temperature: -30°C. Weight: 0.171 kg per bearing. Unit Quantity: 2 Pcs.

Dimensions and mounting:

Stacked width across the pair: 26 mm. Shaft shoulder diameter: 60 mm to h12. Housing shoulder diameter: 75.5 mm to H12. Maximum recess radius: 0.6 mm on the shaft, 0.3 mm on the housing side. Minimum chamfer dimension: 1 mm. Distance between pressure cone apexes: 22.2 mm.

Compatibility and replacement:

Single-bearing form of this execution: HCS71911-E-T-P4S-UL. Steel-ball version on the same envelope: HS71911-E-T-P4S, with different speed and load ratings. MPN variants: HCS71911ETP4SN16-DTL, HCS71911-E-T-P4S, HCS71911, 71911.

Frequently asked questions:

What size are the FAG HCS71911-E-T-P4S-N16-DTL bearings?

Bore 55 mm, outside diameter 80 mm, width 13 mm each. The tandem pair stacks to 26 mm.

How many bearings are in this set?

Two bearings, duplex tandem (DTL) with light preload.

What are the ratings per bearing?

Dynamic load rating 12,300 N, static load rating 7,700 N, fatigue load limit 620 N, limiting speed 28,000 rpm on grease, maximum temperature 80°C.