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Timing Belt Pulleys and V-Belt Sheaves: Matching Belt Drive Components Correctly
Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
Availability:
1 in stock
SKF NN 3011 KM/SP double-row cylindrical roller bearing, 55 x 90 x 26 mm, 1:12 tapered bore, machined brass cage, super-precision SP class. Sold as 1 Pc.
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| MFR / Brand | SKF |
|---|---|
| MPN | NN 3011 KM/SP |
| Model | NN 3011 K M SP |
| Bearing Type | Cylindrical Roller Bearing, Open |
| ID | 55 mm |
| OD | 90 mm |
| Width | 26 mm |
| Material | Bearing Steel |
|---|---|
| Series | NN 30 |
| Bore | Taper Bore |
| Base Number | NN3011 |
| Industry Terms | Double row cylindrical roller bearing, spindle bearing, taper bore roller bearing, super precision roller bearing, machine tool spindle bearing, non-locating bearing, floating bearing |
| Common Misspellings | NN3011KM SP, NN-3011KMSP, NN3011 K M SP, NN3011KMS P, NN3011-KM-SP, SKF NN3011KMSP |
| Application Types | Machine tool spindles, precision gearboxes, milling and grinding headstocks, rotary tables, high-stiffness shaft supports |
| Bore Shaft Size | 55 mm (2.1654 in) |
| Mpn Variants | NN-3011-KM/SP, NN3011KM/SP, NN 3011 KM/SP, NN3011KMSP, NN-3011-K-M-SP, NN3011K, NN3011KM |
| Precision Class | SP |
| Rolling Elements | Cylindrical Roller |
| Cage Material | Machined brass |
| Number Of Rows | 2 |
| Bore Type | Tapered |
| Snap Ring Included | No |
| Harmonization Code | 8482.50.00.00 |
| Part Number | NN 3011 KM/SP |
| Cross Reference 1 | FAG NN3011-AS-K-M-SP |
|---|---|
| Cross Reference 2 | NSK NN3011KM |
| Cross Reference 3 | NTN NN3011KC1NAP4 |
| Cross Reference 6 | Rollway NN3011KM |
SKF NN 3011 KM/SP double-row cylindrical roller bearing, 55 mm bore x 90 mm outside diameter x 26 mm wide, super-precision tolerances, 1:12 tapered bore, machined brass cage. Sold as 1 Pc: one complete bearing, the ribless outer ring plus the tapered-bore inner ring carrying both roller rows and cages.
NN — double row, three ribs on the inner ring, ribless outer ring. Radial load, with axial displacement accommodated in both directions.
30 — ISO dimension series 30.
11 — 55 mm bore.
K — tapered bore, taper 1:12.
M — machined brass cage, roller-centred.
SP — SKF super-precision: ISO tolerance class 5 dimensional accuracy with class 4 running accuracy.
Bore Diameter: 55 mm (2.1654 in). Outside Diameter: 90 mm. Width: 26 mm. Bore Type: Tapered, 1:12. Number Of Rows: 2. Rolling Elements: Cylindrical roller. Closure Type: Open. Series: NN 30. Base Number: NN3011.
Cage Material: Machined brass. Tolerance Class: SP. Material: Bearing steel. Unit Quantity: 1 Pc. Country of Origin: Germany.
Bore Diameter: 55 mm, tapered 1:12 (K), seating directly on a tapered journal with no adapter sleeve. Non-locating (floating) position: ribless outer ring, axial displacement in both directions.
FAG NN3011-AS-K-M-SP. NSK NN3011KM. NTN NN3011KC1NAP4. Rollway NN3011KM. Related sizes: straight-bore NN 3011 M (cylindrical journal, clearance set by class); NNU 4911 (ribs on the outer ring); single-row NU 1011 and N 1011.
Bore Diameter: 55 mm. Outside Diameter: 90 mm. Width: 26 mm.
Tapered, 1:12. The K in the designation marks the tapered bore.
SKF super-precision: ISO tolerance class 5 dimensional accuracy with class 4 running accuracy.
$243.98
6 in stock
Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
Tapered, cylindrical, and spherical roller bearings all solve the same basic problem, carrying more load
If you pulled a bearing off general industrial equipment at random, there’s a good chance
Our team can locate, cross-reference, and source all parts.
Our team can locate, cross-reference, and source all parts.
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