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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.
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1 in stock
SKF NU 228 ECJ single row cylindrical roller bearing, NU design, 140 x 250 x 42 mm, pressed steel cage. Dynamic rating 450,000 N, limiting speed 3,200 rpm.
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$519.02
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| MFR / Brand | SKF |
|---|---|
| MPN | NU 228 ECJ |
| Model | NU 228 ECJ |
| Bearing Type | Cylindrical Roller Bearing, Open |
| ID | 140 mm |
| OD | 250 mm |
| Width | 42 mm |
| Material | Bearing Steel |
|---|---|
| Series | NU2 |
| Lubricant | Oil/Grease |
| Mpn Variants | NU 228 ECJ, NU228ECJ, NU-228-ECJ, NU228 |
| Compatible With Replaces | Angle ring HJ 228 EC |
| Cage Type | Pressed |
| Dynamic Load Rating | 450,000 N |
| Static Load Rating | 510,000 N |
| Rolling Elements | Cylindrical Roller |
| Cage Material | Pressed steel |
| Limiting Speed | 3,200 rpm |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Internal Clearance | CN |
| Harmonization Code | 8482.50.00.00 |
| Industry Terms | NU228 ECJ cylindrical roller bearing; NU design non-locating bearing; separable inner ring cylindrical roller bearing |
| Closure Type | Open |
| Cross Reference 1 | NSK NU228EW |
|---|---|
| Cross Reference 2 | Timken NU228EJ |
| Cross Reference 3 | NTN NU228E |
| Cross Reference 4 | FAG NU228-E-XL-TVP2 - polyamide cage, not steel |
| Cross Reference 5 | Koyo NU228R - brass cage |
SKF NU 228 ECJ is a single row cylindrical roller bearing of NU design with a pressed steel cage. The outer ring has two integral flanges; the inner ring has none. The inner ring is separable. Complete bearing: outer ring with rollers and cage, plus inner ring. Unit Quantity: 1 Pc.
NU — two flanges on the outer ring, no flanges on the inner ring. Non-locating bearing.
2 — dimension series 02, light section.
28 — bore code, 28 x 5 = 140 mm bore.
EC — SKF optimized internal design with increased load capacity.
J — pressed steel cage.
Dynamic Load Rating: 450,000 N. Static Load Rating: 510,000 N. Fatigue Load Limit: 57,000 N. Reference Speed: 2,800 rpm. Limiting Speed: 3,200 rpm. Permissible Axial Displacement: 2.5 mm. Cage Material: Pressed steel. Rolling Elements: Cylindrical Roller. Number Of Rows: 1. Bore Type: Straight. Internal Clearance: CN. Closure Type: Open. Series: NU2.
Bore Diameter: 140 mm. Outside Diameter: 250 mm. Width: 42 mm. Inner Ring Raceway Diameter F: 169 mm. Chamfer r1,2 and r3,4: 3 mm min. Shaft abutment diameter: 172 mm min. Spacer sleeve diameter: 154 mm min, 165 mm max. Housing abutment diameter: 235 mm max. Fillet radius: 2.5 mm max. Matching angle ring: HJ 228 EC.
Cross-references: NSK NU228EW; Timken NU228EJ; NTN NU228E; FAG NU228-E-XL-TVP2 (polyamide cage, not steel); Koyo NU228R (brass cage). Also written NU228ECJ, NU-228-ECJ and NU228.
Bore 140 mm, outside diameter 250 mm, width 42 mm.
EC is SKF’s optimized internal design with increased load capacity. J is a pressed steel cage.
Dynamic Load Rating 450,000 N, Static Load Rating 510,000 N, Reference Speed 2,800 rpm, Limiting Speed 3,200 rpm.
$243.98
6 in stock
$1,100.89
4 in stock
$281.50
5 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
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Our team can locate, cross-reference, and source all parts.
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