Bearing Wholesalers
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 NN4920K
- 1 pcs
- Negotiable
- Bearing NNU4122K30
- 1 pcs
- Negotiable
- Bearing NNU4860
- 1 pcs
- Negotiable
- Bearing NNU41/710K30
- 1 pcs
- Negotiable
- Bearing NN3956K
- 1 pcs
- Negotiable
- Bearing NNU3128
- 1 pcs
- Negotiable
- Bearing NNUB4920-80
- 1 pcs
- Negotiable
- Bearing NN3088
- 1 pcs
- Negotiable
- Bearing NN48/750K
- 1 pcs
- Negotiable
- Bearing NN4044K
- 1 pcs
- Negotiable
- Bearing NNUB4922
- 1 pcs
- Negotiable
- Bearing NNU3034
- 1 pcs
- Negotiable