NRB Cylindrical Roller Bearing NJ 228
NRB Cylindrical Roller Bearing NJ 228
Summary
Item Code: NJ 228 EM
Item Type: Single-Row Cylindrical Roller Bearing
Inner Diameter (ID): 140 mm
Outer Diameter (OD): 250 mm
Width (W): 42 mm
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Description
Single-Row Cylindrical Roller Bearings are designed to accommodate high radial loads in combination with high speeds. Having two integral flanges on the outer ring and one on the inner ring, NJ design bearings can accommodate axial displacement in one direction.
NRB Industrial (NIBL) Cylindrical Roller Bearing's design enables it to accommodate heavy radial loads, rapid accelerations, and high speeds.
NRB manufactures Cylindrical Roller Bearings of N Type, NJ Type, NU Type, NUP Type, and NF Type in Steel, Polyamide as well as Brass Cages and has clearances ranging from C2-C5.
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Features
- The surface finish on the contact surfaces of the rollers and raceways supports the formation of a hydrodynamic lubricant film
- The separable components facilitate easy mounting, dismounting, and maintenance inspections
Specifications
Inner Diameter (ID) | 140 mm |
Outer Diameter (OD) | 250 mm |
Width (W) | 42 mm |
Inner Diameter without Inner Ring (F) | 169 mm |
Chamfer Dimension (r1, r2) | min. 3.0 mm |
Chamfer Dimension (r3, r4) | min. 3.0 mm |
Basic Dynamic Load Rating | ~411 kN |
Basic Static Load Rating | ~546 kN |
Speed Limit (with Grease) | ~2,400 r/min |
Speed Limit (with Oil) | ~3,000 r/min |
Cage Material | Polyamide |
Weight | ~ 9.31 kg |
Brand | NRB Industrial (India) |
Catalogue (PDF) | Download Here |
Authorized Distributor Certificate | View Here |
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Selection Guide | Maintenance Handbook | Damage and Failure Analysis Handbook