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 NNU41/670K30](/media/sets/trade/none.png)
- Bearing NNU41/670K30
- 1 pcs
- Negotiable
![Bearing NNU40/1000](/media/sets/trade/none.png)
- Bearing NNU40/1000
- 1 pcs
- Negotiable
![Bearing NN4830K](/media/sets/trade/none.png)
- Bearing NN4830K
- 1 pcs
- Negotiable
![Bearing NNU4138](/media/sets/trade/none.png)
- Bearing NNU4138
- 1 pcs
- Negotiable
![Bearing NN3076](/media/sets/trade/none.png)
- Bearing NN3076
- 1 pcs
- Negotiable
![Bearing NN3196K](/media/sets/trade/none.png)
- Bearing NN3196K
- 1 pcs
- Negotiable
![Bearing NN3068K](/media/sets/trade/none.png)
- Bearing NN3068K
- 1 pcs
- Negotiable
![Bearing NNU4921K](/media/sets/trade/none.png)
- Bearing NNU4921K
- 1 pcs
- Negotiable
![Bearing NN3196K](/media/sets/trade/none.png)
- Bearing NN3196K
- 1 pcs
- Negotiable
![Bearing NN3072](/media/sets/trade/none.png)
- Bearing NN3072
- 1 pcs
- Negotiable
![Bearing NNU4130K30](/media/sets/trade/none.png)
- Bearing NNU4130K30
- 1 pcs
- Negotiable
![Bearing NNU49/530](/media/sets/trade/none.png)
- Bearing NNU49/530
- 1 pcs
- Negotiable