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.
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Double row cylindrical roller bearing, 55 x 90 x 26 mm, 1:12 tapered bore, C0NA clearance. NTN NN3011KC0NAUP precision spindle bearing, 69,500 N dynamic.
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$178.06
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Here are some other options that might fit your project — cross-referenced equivalents and similar parts we have in stock and ready to ship. Need help choosing? Call 585-295-7880.
Double Row Cylindrical Roller Bearing - Super Precision SP, 55 mm Tapered Bore, 90 mm OD, 26 mm Width, Brass Cage$141.51
Double-Row Cylindrical Roller Bearing 55 x 90 x 26 mm, 1:12 Tapered Bore, Machined Brass Cage, Lube Groove and Three Holes, Super-Precision SP$152.98
Double-Row Cylindrical Roller Bearing - 55 mm Bore x 90 mm OD x 26 mm Wide, 1:12 Tapered Bore, Machined Brass Cage, SP Precision$172.09
Double Row Cylindrical Roller Bearing - Tapered 1:12 Bore, 55 mm ID, 90 mm OD, 26 mm Width, Machined Brass Cage, SP Class$187.39| MFR / Brand | NTN |
|---|---|
| MPN | NN3011KC0NAUP |
| Model | NN 3011 K C0 NA UP |
| Bearing Type | Cylindrical Roller Bearing, Open |
| ID | 55 mm |
| OD | 90 mm |
| Width | 26 mm |
| Material | Bearing Steel |
|---|---|
| Series | NN3000 |
| Lubricant | Grease or oil |
| Mpn Variants | NN3011KC0NAUP, NN-3011-K-C0-NA-UP, NN3011K, NN3011 |
| Min Temp | -40 °C |
| Dynamic Load Rating | 69,500 N |
| Static Load Rating | 96,500 N |
| Rolling Elements | Cylindrical Roller |
| Max Temp | 120 °C |
| Limiting Speed | 7,300 rpm grease; 8,600 rpm oil |
| Number Of Rows | 2 |
| Bore Type | Tapered 1:12 |
| Snap Ring Included | No |
| Internal Clearance | C0NA |
| Harmonization Code | 8482.50.00 |
| Cross Reference 1 | SKF NN 3011 KTN/SP |
|---|---|
| Cross Reference 2 | FAG NN3011-AS-K-M-SP |
| Cross Reference 3 | NSK NN3011TBKRCC1P4 |
| Cross Reference 4 | Koyo NN3011K |
NTN NN3011KC0NAUP precision double row cylindrical roller bearing with tapered bore, type NN. Bore Diameter: 55 mm. Outside Diameter: 90 mm. Width: 26 mm. Bore Type: Tapered 1:12. Internal Clearance: C0NA.
NN — double row cylindrical roller bearing, ribs on the inner ring, plain separable outer ring.
30 — ISO dimension series 30.
11 — bore code, 55 mm.
K — 1:12 tapered bore; mounts directly on a tapered spindle journal.
NA — non-interchangeable clearance: inner and outer ring are matched and supplied as a set.
Dynamic Load Rating: 69,500 N. Static Load Rating: 96,500 N. Limiting Speed: 7,300 rpm grease; 8,600 rpm oil. Operating Temperature: -40 °C to 120 °C. Two rows of rollers give very high radial stiffness for lathe and machining-centre spindle noses.
Roller outside envelope Ew: 81 mm. Shaft abutment da min: 61.5 mm. Housing abutment Da max: 82 mm. Fillet r: 1.1 mm; ras max: 1.0 mm.
Same envelope, tapered bore, precision class: SKF NN 3011 KTN/SP, FAG NN3011-AS-K-M-SP, NSK NN3011TBKRCC1P4, Koyo NN3011K.
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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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