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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:
3 in stock
NSK double-row cylindrical roller bearing, 55 x 90 x 26 mm, 1:12 tapered bore, machined brass cage, ABEC 7 / P4, 12,500 rpm oil-air limiting speed.
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| MFR / Brand | NSK |
|---|---|
| MPN | NN3011MBKRCC1P4 |
| Model | NN3011-MB-K-R-CC1-P4 |
| Bearing Type | Cylindrical Roller Bearing, Open |
| ID | 55 mm |
| OD | 90 mm |
| Width | 26 mm |
| Material | Chrome steel |
|---|---|
| Series | NN30 |
| Lubricant | Grease or oil |
| Base Number | NN3011 |
| Common Misspellings | NN 3011 MBKR CC1 P4, NN3011MBKR-CC1P4, NN3011MBKC1P4 |
| Mpn Variants | NN3011MBKRCC1P4, NN3011-MB-K-R-CC1-P4, NN3011MBKRCC1P4Y, NN3011KMBCC1P4, NN3011K, NN3011 |
| Precision Class | ABEC 7 / P4 |
| Cage Type | Machined |
| Dynamic Load Rating | 79,500 N |
| Static Load Rating | 96,500 N |
| Precision Rating | ABEC 7 / P4 |
| Rolling Elements | Cylindrical Roller |
| Item Weight | 0.748 kg (1.65 lb) |
| Cage Material | Machined brass |
| Number Of Rows | 2 |
| Bore Type | Tapered 1:12 |
| Snap Ring Included | Without Snap Ring |
| Limiting Speed | 10,400 rpm grease; 12,500 rpm oil-air |
| Internal Clearance | CC1 |
| Harmonization Code | 8482.50.00 |
| Bearing Material | Chrome steel |
| Industry Terms | double row cylindrical roller bearing; NN30 series bearing; tapered bore cylindrical roller bearing; super precision cylindrical roller bearing; NN3011K |
| Application Types | Machine tool spindles |
| Closure Type | Open |
| Cross Reference 1 | SKF NN 3011 KTN/SP - polyamide cage |
|---|---|
| Cross Reference 2 | FAG NN3011-AS-K-M-SP |
| Cross Reference 3 | NTN NN3011KC1NAP4 |
| Cross Reference 4 | Koyo NN3011K - standard precision, not P4 |
| Cross Reference 5 | Nachi NN3011K - standard precision, not P4 |
| Cross Reference 6 | SNR NN3011K - standard precision, not P4 |
| Cross Reference 7 | NSK NN3011KCC1P4 |
| Cross Reference 8 | NSK NN3011 - straight bore, not tapered |
NSK NN3011MBKRCC1P4 super-precision double-row cylindrical roller bearing with a 1:12 tapered bore. One complete bearing: inner ring with both roller rows plus the separable outer ring. Unit Quantity: 1 Pc.
NN — double-row cylindrical roller, inner-ring rib type, with a separable plain outer ring.
3011 — dimension series 30, bore code 11, giving a 55 mm bore in a 90 mm outside diameter.
MB — machined brass cage.
K — 1:12 tapered bore.
CC1 — NSK clearance group for tapered-bore cylindrical rollers, 15 to 35 micron mounted radial clearance.
P4 — ISO tolerance class 4, ABEC 7.
Bore Diameter: 55 mm. Outside Diameter: 90 mm. Overall Width: 26 mm. Bore Type: Tapered 1:12. Rolling Elements: Cylindrical Roller. Number Of Rows: 2. Closure Type: Open. Cage Material: Machined brass. Cage Type: Machined. Precision Class: ABEC 7 / P4. Internal Clearance: CC1. Dynamic Load Rating: 79,500 N. Static Load Rating: 96,500 N. Limiting Speed: 10,400 rpm grease; 12,500 rpm oil-air. Item Weight: 0.748 kg (1.65 lb). Series: NN30. Base Number: NN3011. Bearing Material: Chrome steel.
Roller circumscribed circle diameter Ew: 81 mm. Outer-ring lubrication holes: 4 holes at 2 mm diameter, feeding from a 3.5 mm wide oil groove. Recommended grease quantity: 2.0 g per bearing. Mounted clearance bands on this size: CC0 10 to 20 micron, CC1 15 to 35 micron, CC9 5 to 15 micron.
Same envelope, tapered bore and super-precision class: FAG NN3011-AS-K-M-SP, NTN NN3011KC1NAP4 and SKF NN 3011 KTN/SP (polyamide cage). Koyo, Nachi and SNR NN3011K have the same size and bore in standard precision, not P4. NSK NN3011 has the same 55 x 90 x 26 mm envelope with a straight bore.
Bore 55 mm, outside diameter 90 mm, width 26 mm, with a 1:12 tapered bore.
CC1 is NSK’s clearance group for tapered-bore cylindrical roller bearings: 15 to 35 micron mounted radial clearance.
P4, ISO tolerance class 4, equal to ABEC 7.
American manufacturers are sitting on a lot of stuff. The
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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