SKF7028 C TC C78Super-Precision Angular Contact Ball Bearing – 140 mm ID, 210 mm OD, 33 mm Width, 15° Contact Angle, Open, ABEC 5, Light Preload

Product Description

What this part is:

SKF 7028 C TC C78 single-row super-precision angular contact ball bearing, 1 Pc. Bore Diameter: 140 mm. Outside Diameter: 210 mm. Width: 33 mm. Contact Angle: 15°. Series: 70. Base Number: 7028. Rolling Elements: Ball. Closure Type: Open. Straight bore, phenolic cage. The carton also carries the Fafnir designation 2M9128WI and the New Departure designation Q0L28DTL5.

Decoding the designation:

7028 — series 70, bore code 28 x 5 = 140 mm bore, 140 x 210 x 33 mm.

C — 15° contact angle.

Q0L28DTL5 — New Departure designation: Q = phenolic separator, 0L28 = ISO 7028, DT = duplex tandem, L = light preload, 5 = ABEC 5.

2M9128WI — Fafnir designation: 9128WI = ISO 7028 envelope.

Specifications:

Bore Diameter: 140 mm. Outside Diameter: 210 mm. Width: 33 mm. Contact Angle: 15°. Precision Class: ABEC 5 / P5, marked on the carton. Preload: Light. Cage Material: Phenolic. Closure Type: Open. Bore Type: Straight. Unit Quantity: 1 Pc.

Dimensions and mounting:

Envelope: 140 x 210 x 33 mm. Single bearing, open on both faces, straight bore, one piece from a factory duplex tandem set.

Compatibility and replacement:

Cross-references: Fafnir 2MM9128WI (P4 class); NSK 7028CTYNSULP4 (P4 class); New Departure Q0L28DTL5. SKF 7028 ACD/P4A on the same envelope carries a 25° contact angle.

Frequently asked questions:

What are the dimensions of the SKF 7028 C TC C78?

Bore 140 mm, outside diameter 210 mm, width 33 mm.

What contact angle and precision class does it have?

The C position gives a 15° contact angle; the carton marks ABEC 5 / P5 precision.

How many bearings does this listing contain?

One bearing, 1 Pc, from a factory duplex tandem set.