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Central Surplus Bearing Finder
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FAG NN3011AK.SP super precision double-row cylindrical roller bearing, 55 mm 1:12 tapered bore, 90 mm OD, 26 mm wide, W33 lubrication groove, SP precision class.
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| MFR / Brand | FAG |
|---|---|
| MPN | NN3011-A-K-SP-W33 |
| Model | NN3011 A K SP W33 / NN 3011 AS-K-M-SP |
| Bearing Type | Cylindrical Roller Bearing, Open |
| ID | 55 mm |
| OD | 90 mm |
| Width | 26 mm |
| Series | NN30 |
|---|---|
| Closure Type | Open |
| Rolling Elements | Cylindrical Roller |
| Number Of Rows | 2 |
| Bore Type | Tapered 1:12 |
| Snap Ring Included | No |
| Harmonization Code | 8482.50.00.00 |
| Base Number | NN3011 |
| Mpn Variants | NN3011AK.SP, NN3011-A-K-SP-W33, NN3011-AS-K-SP, NN3011 |
| Compatible With Replaces | Successor: FAG NN3011-D-K-TVP-SP-XL |
| Precision Class | SP (Schaeffler super precision) |
| Additional Attributes | Successor NN3011-D-K-TVP-SP-XL data: Dynamic Load Rating 82,000 N; Static Load Rating 97,000 N; Limiting Speed 11,900 rpm grease; 14,100 rpm oil; Item Weight 0.571 kg (1.26 lb). |
| Relubrication Feature | Lubrication groove and three holes in outer ring (W33) |
The FAG NN3011AK.SP is a super precision double-row cylindrical roller bearing for machine tool spindles, with a 1:12 tapered bore and a lubrication groove with holes in the outer ring. Bore Diameter: 55 mm. Outside Diameter: 90 mm. Overall Width: 26 mm. Rolling Elements: Cylindrical Roller. Number Of Rows: 2.
NN — double-row cylindrical roller bearing, ribs on the inner ring, rib-less separable outer ring (non-locating).
30 — dimension series 30 (DIN 5412-4).
11 — bore code, 11 x 5 = 55 mm bore.
K — tapered bore, taper 1:12.
SP — FAG super precision tolerance class with reduced radial internal clearance.
W33 — lubrication groove and three lubrication holes in the outer ring.
The tapered bore sets the running clearance by drive-up on the spindle journal, and two rows of rollers give high radial stiffness. Bore Type: Tapered 1:12. Precision Class: SP (Schaeffler super precision). Lubricant: grease or oil, fed through the outer-ring groove and holes.
Successor NN3011-D-K-TVP-SP-XL data: Dynamic Load Rating: 82,000 N. Static Load Rating: 97,000 N. Limiting Speed: 11,900 rpm grease; 14,100 rpm oil. Item Weight: 0.571 kg (1.26 lb). Axial displacement 1.9 mm. Outer ring raceway diameter E: 81 mm.
Successor NN3011-D-K-TVP-SP-XL data: minimum chamfer 1.1 mm, maximum recess radius 1 mm, minimum shaft shoulder 65 mm, maximum housing shoulder 82.9 mm.
Compatible With / Replaces: Schaeffler lists NN3011-D-K-TVP-SP-XL as the current FAG super precision NN3011 tapered-bore bearing on the same 55 x 90 x 26 mm envelope.
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