GMNS 6011 C TA A7 DULAngular Contact Ball Bearing — 55 mm ID, 90 mm OD, 18 mm Width, 15°, Phenolic Cage, ABEC 7 / P4, Universal Light Preload Pair

Product Description

What this part is:

GMN S 6011 C TA A7 DUL is a super-precision angular contact spindle bearing set of two bearings, universally matched with light preload. Unit Quantity: 2 Pcs. Bore Diameter: 55 mm. Outside Diameter: 90 mm. Overall Width: 18 mm per bearing. Contact Angle: 15°. Condition: new old stock, open box; grease has dried. Made in Germany.

Decoding the designation:

S — GMN series S, standard spindle bearing.

6011 — dimension series and bore code: 55 mm bore, 90 mm OD, 18 mm width.

C — 15° nominal contact angle.

TA — laminated phenolic resin cage, guided in the outer ring.

A7 — ABEC 7 per ABMA standards, corresponds to P4.

D — set of two bearings.

UL — universal matching, light preload.

Specifications:

Dynamic Load Rating: 32,500 N. Static Load Rating: 29,500 N. Fatigue Load Limit: 1,529 N. Limiting Speed: 17,500 rpm grease; 23,500 rpm oil. Precision Class: ABEC 7 / P4. Preload: Light, 160 N, axial rigidity 69 N/µm. Medium preload is 490 N at 115 N/µm and heavy preload is 980 N at 163 N/µm. Rolling Elements: 20 balls, 9.525 mm diameter. Cage Material: Laminated phenolic resin, outer-ring guided. Ring and Ball Material: 100Cr6 (SAE 52100). Closure Type: Open. Item Weight: 0.385 kg (0.85 lb) per bearing.

Dimensions and mounting:

Pitch Circle Diameter: 72.5 mm. Chamfer rs: 1.1 mm. Chamfer r1s (open side): 1.0 mm. Shaft Abutment Diameter da,b min: 61.4 mm. Housing Abutment Diameter Da max: 84.6 mm. Housing Abutment Diameter Db max: 84.7 mm. Abutment Chamfer ra max: 1.0 mm. Open Side rb max: 1.0 mm. Oil Nozzle Position dT: 69.8 mm. Mounting Arrangement: universal, set in back-to-back, face-to-face or tandem.

Compatibility and replacement:

Cross-references: Fafnir 2MM9111WI CR DUL, FAG B7011-C-T-P4S-DUL, SKF 7011 CD/P4ADGB, NSK 7011CTYNDULP4 (polyamide cage).

Frequently asked questions:

What size is the GMN S 6011 C TA A7 DUL?

55 mm bore, 90 mm outside diameter and 18 mm width per bearing. The set holds two bearings.

What do A7 and UL mean in the GMN designation?

A7 is ABEC 7 per ABMA standards, which corresponds to P4. UL is universal matching with light preload; the D before it marks a set of two bearings.

What are the contact angle and load ratings?

The contact angle is 15° (C). GMN lists a dynamic radial load rating of 32,500 N and a static radial load rating of 29,500 N per bearing.