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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
Double-row cylindrical roller bearing, 220 x 300 x 80 mm, straight bore, C4 clearance, machined brass cage, 560 kN dynamic load rating. SKF NNU 4944 B/C4.
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| MFR / Brand | SKF |
|---|---|
| MPN | NNU 4944 B/C4 |
| Model | NNU 4944 B C4 |
| Bearing Type | Cylindrical Roller Bearing, Open |
| ID | 220 mm |
| OD | 300 mm |
| Width | 80 mm |
| Material | Steel |
|---|---|
| Series | NNU4900 |
| Industry Terms | Double row cylindrical roller bearing; full-section roller bearing; NNU series spindle bearing |
| Mpn Variants | NNU4944BC4; NNU 4944 B C4; NNU-4944-B-C4; NNU4944B; NNU4944 |
| Dynamic Load Rating | 560,000 N |
| Static Load Rating | 1,220,000 N |
| Rolling Elements | Cylindrical Rollers |
| Item Weight | 32.5 lb |
| Cage Material | Machined brass |
| Number Of Rows | 2 |
| Bore Type | Straight |
| Limiting Speed | 2,800 rpm |
| Internal Clearance | C4 |
| Harmonization Code | 8482.50.00 |
| Common Misspellings | SKF NNU4944 BC4; SKF NNU 4944 B C-4; SKF NU 4944 B/C4; SKF NNU4944B/C4 |
| Application Types | Heavy machinery; gearboxes; rolling mills; presses |
| Cross Reference 1 | NTN NNU4944 |
|---|---|
| Cross Reference 2 | NSK NNU4944MBKR - tapered bore |
| Cross Reference 3 | FAG NNU4944-S-K-M-SP - tapered bore |
SKF NNU 4944 B/C4 double-row cylindrical roller bearing: 220 mm bore, 300 mm outside diameter, 80 mm width. Straight bore, open, machined brass cage, C4 internal clearance. Unit Quantity: 1 Pc. Condition: new old stock, open box. Country of origin: Germany.
NNU — double row of cylindrical rollers.
4944 — 220 mm bore, 300 mm outside diameter, 80 mm width (NNU 49 series).
B — SKF design variant within the NNU 49 series.
C4 — internal clearance greater than C3.
Bore Diameter: 220 mm. Outside Diameter: 300 mm. Overall Width: 80 mm. Number Of Rows: 2. Bore Type: Straight. Cage Material: Machined brass. Internal Clearance: C4. Dynamic Load Rating: 560,000 N. Static Load Rating: 1,220,000 N. Limiting Speed: 2,800 rpm. Item Weight: 32.5 lb. Series: NNU4900.
Straight 220 mm bore for a cylindrical shaft seat. Closure Type: Open on both faces. Harmonization Code: 8482.50.00.
Cross-references: NTN NNU4944; NSK NNU4944MBKR (tapered bore); FAG NNU4944-S-K-M-SP (tapered bore). Searchable forms: NNU4944BC4, NNU 4944 B C4, NNU-4944-B-C4, NNU4944.
220 mm bore, 300 mm outside diameter and 80 mm width.
Straight bore. The designation carries no K.
C4 is an internal clearance greater than C3.
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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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