SKFNN 3038 KM/C4817Double Row Cylindrical Roller Bearing — 190 mm ID, 290 mm OD, 75 mm Width, 1:12 Tapered Bore, Machined Brass Cage

Product Description

What this part is:

SKF NN 3038 KM/C4817 double row cylindrical roller bearing in the NN 30 series. Bore Diameter: 190 mm. Outside Diameter: 290 mm. Width: 75 mm. Tapered 1:12 bore, machined brass cage. Complete bearing: inner ring with both roller rows and cage, plus the separable outer ring. Unit Quantity: 1 Pc.

Decoding the designation:

NN — double row cylindrical roller bearing, flanges on the inner ring, plain outer ring.

30 — dimension series 30.

38 — bore code, 38 x 5 = 190 mm bore.

K — tapered bore, taper 1:12.

M — machined brass cage.

Specifications:

Bore Diameter: 190 mm. Outside Diameter: 290 mm. Width: 75 mm. Bore Type: Tapered 1:12. Number Of Rows: 2. Rolling Elements: Cylindrical Roller. Cage Material: Machined brass. Cage Type: Machined. Closure Type: Open. Unit Quantity: 1 Pc. Harmonization Code: 8482.50.00.

Dimensions and mounting:

The inner ring carries three flanges and the outer ring has none, so the shaft can move axially in both directions relative to the housing. The outer ring is separable from the inner ring and roller set. The bore is tapered 1:12 for a direct fit on a tapered shaft seat.

Compatibility and replacement:

Related double row cylindrical roller bearings with 1:12 tapered bore in the same 190 x 290 x 75 mm size: FAG NN3038-AS-K-M-SP (lubrication groove and holes), NSK NN3038K, NTN NN3038K. Searchable variants: NN3038KMC4817, NN-3038-KMC/C4817, NN-3038-K-M-C4817, NN3038.

Frequently asked questions:

What size is the SKF NN 3038 KM/C4817?

190 mm bore, 290 mm outside diameter and 75 mm wide.

What does the K mean in NN 3038 KM?

K is a tapered bore with 1:12 taper, and M is a machined brass cage.

Is the outer ring included?

Yes. The listing is the complete bearing: inner ring with both roller rows and cage, plus the outer ring.