Double row cylindrical roller bearings
Double row cylindrical roller bearings
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.
Size range: 80 mm to 2000 mm OD
Design Attributes
- Designed to ISO/DIN specified interchangeable dimensions where available.
- Sold as complete assembly.
- Available in same size range as single row product.
- Current designs use NN, NNU nomenclature.
- Standard cage design is a drilled pocket, finger-style bronze retainer.
Applications
- Gear Drives
- Crop Shear
- Rolling Mills
- Machine Tools
![Bearing NNU4921K](/media/sets/trade/none.png)
- Bearing NNU4921K
- 1 pcs
- Negotiable
![Bearing NNU3038](/media/sets/trade/none.png)
- Bearing NNU3038
- 1 pcs
- Negotiable
![Bearing NNU49/500K](/media/sets/trade/none.png)
- Bearing NNU49/500K
- 1 pcs
- Negotiable
![Bearing NN30/500K](/media/sets/trade/none.png)
- Bearing NN30/500K
- 1 pcs
- Negotiable
![Bearing NNU40/600](/media/sets/trade/none.png)
- Bearing NNU40/600
- 1 pcs
- Negotiable
![Bearing NN30/750K](/media/sets/trade/none.png)
- Bearing NN30/750K
- 1 pcs
- Negotiable
![Bearing NN49/630K](/media/sets/trade/none.png)
- Bearing NN49/630K
- 1 pcs
- Negotiable
![Bearing NNU40/710](/media/sets/trade/none.png)
- Bearing NNU40/710
- 1 pcs
- Negotiable
![Bearing NNU3026](/media/sets/trade/none.png)
- Bearing NNU3026
- 1 pcs
- Negotiable
![Bearing NN3038K](/media/sets/trade/none.png)
- Bearing NN3038K
- 1 pcs
- Negotiable
![Bearing NNU49/630K](/media/sets/trade/none.png)
- Bearing NNU49/630K
- 1 pcs
- Negotiable
![Bearing NNU3120](/media/sets/trade/none.png)
- Bearing NNU3120
- 1 pcs
- Negotiable