Schaeffler NU3 Series Two-Piece Cylindrical Roller Bearing, 40 mm Bore x 90 mm OD x 23 mm W, Solid Brass Cage, MFR ID NU308-E-XL-M1-C3
- MFR #NU308-E-XL-M1-C3
- EIS #NU308EM1C305
- Series #nu308
- UPC #04012801179799
$191.50 / Piece
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Schaeffler NU3 single row cylindrical roller bearings with cage are units comprising solid inner and outer rings together with cylindrical roller and cage assemblies. The outer rings have rigid ribs on both sides or no ribs, the inner rings have one or two rigid ribs or are designed without ribs. The cage prevents the cylindrical rollers from coming into contact with each other during rolling, the cage type bearings are very rigid, can support high radial loads and, due to the cage, are suitable for higher speeds than the full complement designs. Bearings with the suffix E have a higher capacity roller set and are thus designed for very high load carrying capacity, the bearings are separable and are therefore easier to fit and dismantle. Both bearing rings can be given a tight fit by this process. Single row cylindrical roller bearings with cage are available as non-locating, semi-locating and locating bearings. - Schaeffler NU3 Series two-piece cylindrical roller bearing.
Features
- Non-locating bearings: cylindrical roller bearings nu and n are non-locating bearings and can support radial forces only. in series nu, the outer ring has two ribs, while the inner ring has no ribs. bearings n have two ribs on the inner ring and an outer ring without ribs
- The outer and inner ring can be axially displaced relative to each other from the central position by the value "s"
- Semi-locating bearings, cylindrical roller bearings NJ are semi-locating bearings. Semi-locating bearings can support not only high radial forces but also axial forces in one direction and can therefore guide shafts axially in one direction. They act as non-locating bearings in the opposite direction. The bearings have two ribs on the outer ring and one rib on the inner ring
- Bearings with L-section ring: Non-locating bearings NU can be combined with an L-section ring HJ to form a semi-locating bearing unit, they must not be installed with two L-section rings (due to the risk of jamming)
- The outer and inner ring can be axially displaced relative to each other in one direction only by the value "s"
- Cylindrical roller bearings NUP and NJ with HJ are locating bearings, they can support not only high radial forces but also axial forces in both directions and can therefore guide shafts axially in both directions
- Bearings with rib washer: type NUP has two ribs on the outer ring and one rigid rib on the inner ring, a loose rib washer is fitted on the opposite side
- Bearings with L-section ring: non-locating bearings NJ can be combined with an L-section ring HJ to form a locating bearing unit. This design has two ribs on the outer ring, one rib on the inner ring and an L-section ring for the rib less side of the inner ring. The L-section rings suitable for the bearings are indicated in the dimension tables. The bearing and L-section ring must be ordered separately
- L-section rings: l-section rings are advantageous where, under high loads, the seating surface of the inner ring in NUP bearings with a loose rib washer is too small to provide a sufficiently high bearing seat. in some applications, they make it easier to fit and dismantle the bearings
- The bearings are supplied without seals sealing
- They can be lubricated from the end faces using grease or oil
- Single row cylindrical roller bearings with cage can be used at operating temperatures from -30 to +150 °C, increased capacity design
- Two-piece, roller-guided cage
- For continuous operating temperatures above 120 °C
- Clearance: C3, Speed Rating: 9500 rpm Limiting, 7100 rpm Reference
General Information
| Item Name | Cylindrical Roller Bearing |
| Trade Name | FAG™ |
| Series | nu308 |
General Features
| Type | Two-Piece, Roller-Guided |
| Net Weight | 0.659kg |
Design & Construction
| Cage Material | Pressed Steel |
Performance Details
| Dynamic Load Capacity | 96000 N |
| Static Load Capacity | 79000 N |
Physical Properties
| Bore Diameter | 40 mm |
| Fillet Radius | 1.5 mm |
| Inner Ring Outside Diameter | 52 mm |
| Number of Rows | 1 |
| Outer Ring Inside Diameter | 80 mm |
| Outside Diameter | 90 mm |
| Radial Internal Clearance | 3 mm |
| Width | 23 mm |
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