NTN7011UCGD2/GNP4Angular Contact Ball Bearing – 55 mm ID, 90 mm OD, 18 mm Width, 15° Contact Angle, ABEC 7 / P4

Product Description

What this part is:

NTN 7011UCGD2/GNP4 ULTAGE high-speed precision angular contact ball bearings, supplied as a universal flush-ground pair. Width: 18 mm per bearing, 36 mm for the pair. Unit Quantity: 2 Pcs. Condition: New.

Decoding the designation:

7011 — ISO 70 series (light section), 55 mm bore.

U — NTN ULTAGE high-speed precision internal design.

C — 15° contact angle.

GD2 — universal flush-ground duplex set of two bearings, mountable back-to-back, face-to-face or in tandem.

P4 — ISO Class 4 precision, equivalent to ABEC 7.

Specifications:

Bore Diameter: 55 mm. Outside Diameter: 90 mm. Overall Width: 18 mm per bearing. Total Width: 36 mm. Contact Angle: 15°. Precision Class: ABEC 7 / P4. Dynamic Load Rating: 35,500 N per bearing. Static Load Rating: 30,000 N per bearing. Limiting Speed: 16,200 rpm grease; 25,900 rpm oil. Item Weight: 0.37 kg (0.82 lb) per bearing. Cage Material: Glass-fibre reinforced polyamide. Operating Temperature: -40 °C to 120 °C. Mounting Arrangement: Universal pair (DB, DF or DT). Unit Quantity: 2 Pcs.

Dimensions and mounting:

Load centre a: 18.8 mm. Shaft abutment da min: 62 mm. Housing abutment Da max: 83 mm. Fillet ras max: 1.0 mm; r1as max: 0.6 mm.

Compatibility and replacement:

Cross-References: SKF 7011 CD/P4A – light preload; FAG B7011-C-T-P4S; NSK 7011CTYNSULP4 – light preload, single bearing; Timken 2MM9111WI – single, no arrangement suffix; Koyo 7011C P4. All are 55 x 90 x 18 mm, 15°, P4 class. MPN Variants: 7011UCGD2/GNP4, 7011UCGD2GNP4, 7011 UC GD2 GN P4, 7011UC, 7011C.

Frequently asked questions:

What are the dimensions of the NTN 7011UCGD2/GNP4?

Each bearing is 55 mm bore, 90 mm outside diameter and 18 mm wide; the pair stacks to 36 mm.

What are the load ratings and limiting speed?

Per bearing, NTN lists a dynamic load rating of 35,500 N, a static load rating of 30,000 N and a limiting speed of 16,200 rpm with grease and 25,900 rpm with oil.

What does GD2 mean in the designation?

GD2 is a universal flush-ground duplex set of two bearings, mountable back-to-back, face-to-face or in tandem.