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Double row cylindrical roller bearings
Contact NowDouble Row or Two Row cylindrical roller bearings are designed for heavy loads that can’t be serviced with a single row bearing. The additional row of rollers allows for the increased radial loads. These bearings are typically metric dimensioned with a machined brass cage. The cage is a one-piece roller riding brass finger cage that promotes smooth rolling. They are industry interchangeable with same size designation. They will be supplied with C3 Internal Radial Clearance unless specified. Bearings with tapered bore, “K” suffix, and P5 clearance can be supplied upon request. Applications include lathes, gearboxes, and pinion stands.
Two-row, or double-row, cylindrical bearings are designed for additional strength in carrying radial loads. These bearing types are interchangeable so the dimensions and diameter under the rollers (NNU style) and diameter over the rollers (NN style) are held to an ISO/DIN standard. Interchangeability is designed for the ring without the rollers to allow interchange with competitor inner rings.
Bearing Number | Bore Dia | Outer DIa | Width | Size |
---|---|---|---|---|
NNU4868K Double row cylindrical roller bearings | For Heavy Load | SH33M | J7 | 95 |
NNU49/950K Double row cylindrical roller bearings | 178 mm | M10x1 | 36 mm | 92.1 mm |
NNU4964K Double row cylindrical roller bearings | 38.1 mm | 179 mm | 49.2 mm | SCOU208-24 |
NNU4928K Double row cylindrical roller bearings | Yes (with retaining | [Aluminum Alloy] Alu | Height Configurable | L-Shaped |
NNU49/1180 Double row cylindrical roller bearings | 36.4 mm | 9.5 mm | 11.2 kN | 80 |
NN48/750 Double row cylindrical roller bearings | Radial | Ball | Punching | 14 |
NNU4944K Double row cylindrical roller bearings | 9 Days | Square flange shape | Steel | Cast iron cover with |
NN3040K Double row cylindrical roller bearings | Deep Groove Ball Bea | [Steel] Steel | 6 | Available |
NN3021 Double row cylindrical roller bearings | Available | Bearings with Housin | [Aluminum Alloy] 201 | Yes (with retaining |
NNU4996 Double row cylindrical roller bearings | 8 Days | 1045 Carbon Steel | 6 | Black Oxide Coating |
NNU40/600K Double row cylindrical roller bearings | 304 Stainless Steel | Round shape | 0.75 | No Surface Treatment |
NNU4072K Double row cylindrical roller bearings | 15.4 | Cast iron made | Square flange shape | Insert Bearing Unit |