FAGB7018C.TPA.P4.UMAngular Contact Ball Bearing – 90 mm ID, 140 mm OD, 24 mm Width, 15° Contact Angle, Medium Preload, ABEC 7

Product Description

What this part is:

FAG B7018C.TPA.P4.UM super-precision spindle bearing (marking B-7018-C-TPA-P4-UM). Single-row angular contact ball bearing, universally ground, Medium preload. Unit Quantity: 1 Pc. Bore Diameter: 90 mm. Outside Diameter: 140 mm. Width: 24 mm. Contact Angle: 15°. Preload: Medium (1,395 N).

Decoding the designation:

B70 — FAG spindle bearing, ISO dimension series 10 (70xx).

18 — bore code, 18 x 5 = 90 mm.

C — 15° contact angle.

TPA — laminated fabric (phenolic) cage. The current Schaeffler designation uses T.

P4 — ISO tolerance class P4, equivalent to ABEC 7.

U — universal design: can be paired back-to-back, face-to-face or in tandem with any other U bearing of the same size.

M — Medium preload.

Specifications:

Dynamic Load Rating: 78,000 N. Static Load Rating: 51,000 N. Fatigue Load Limit: 5,000 N. Cage Material: Phenolic. Precision Class: ABEC 7 / P4. Operating Temperature: -30 °C to 100 °C. Item Weight: 1.14 kg (2.51 lb). Lubricant: grease or oil. Closure Type: Open. Number Of Rows: 1.

Preload: Medium, 1,395 N for a universal pair in back-to-back or face-to-face arrangement. The same size is also built with Light (437 N) and Heavy (2,785 N) preload.

Dimensions and mounting:

Bore Diameter: 90 mm. Outside Diameter: 140 mm. Width: 24 mm. Shaft shoulder diameter: 100 mm. Housing shoulder diameter: 131 mm. Distance between pressure cone apexes: 27.4 mm. Minimum chamfer dimension: 1.5 mm.

Compatibility and replacement:

Cross-references with the same 90 x 140 x 24 mm envelope and 15° contact angle: SKF 7018 CD/P4A, NSK 7018C, Fafnir 2MM9118WI, Barden 118H. The current Schaeffler designation for this bearing is B7018-C-T-P4S.

Frequently asked questions:

What are the dimensions of the FAG B7018C.TPA.P4.UM?

Bore 90 mm, outside diameter 140 mm, width 24 mm.

What do the TPA, P4, U and M codes mean?

TPA is a laminated fabric (phenolic) cage. P4 is ISO tolerance class P4, equivalent to ABEC 7. U is universal grinding. M is Medium preload.

What are the load ratings and contact angle?

Dynamic Load Rating 78,000 N and Static Load Rating 51,000 N, with a 15° contact angle.