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Deep Groove Ball Bearings: The Industry Default and When to Reach for Something Else
If you pulled a bearing off general industrial equipment at random, there’s a good chance
Availability:
2 in stock
Double-row cylindrical roller bearing, 85 mm straight bore x 130 mm OD x 34 mm wide, machined brass cage, P5 precision, lube groove and three holes. 1 Pc.
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| MFR / Brand | FAG |
|---|---|
| MPN | NN3017-AS-M-SP |
| Model | NN 3017 AS M SP W33 |
| Bearing Type | Cylindrical Roller Bearing, Open |
| ID | 85 mm |
| OD | 130 mm |
| Width | 34 mm |
| Material | Chrome Steel |
|---|---|
| Series | NN3000 |
| Lubricant | Oil |
| Base Number | NN3017 |
| Industry Terms | double row cylindrical roller bearing, precision spindle bearing, straight bore roller bearing, machine tool bearing |
| Common Misspellings | NN3017MS P5, NN-3017MS.P5, FAG NN3017 MSP5, NN3017NS.P5 |
| Application Types | machine tool spindles, lathe headstocks, rolling mill drives, gearboxes |
| Bore Shaft Size | 85 mm (3.3465 in), straight cylindrical |
| Mpn Variants | NN3017MS.P5, NN-3017-MS-P5, NN3017MSP5, NN3017-AS-M-SP, NN3017ASMSP, NN 3017 AS M SP W33, NN3017 |
| Rolling Elements | Cylindrical Roller |
| Number Of Rows | 2 |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Harmonization Code | 8482.50.00.00 |
| Part Number | NN3017MS.P5 |
| Cross Reference 1 | NSK NN3017MP5 |
|---|---|
| Cross Reference 2 | NTN NN3017C1NAP5 |
| Cross Reference 3 | SKF NN 3017 TN9/SPW33 – polyamide cage vs brass |
| Cross Reference 4 | FAG NN3017-AS-K-M-SP – tapered bore vs straight |
FAG NN3017-AS-M-SP, a double-row cylindrical roller bearing with a straight cylindrical bore. Two rows of cylindrical rollers run between a one-piece outer ring and a one-piece inner ring. Boundary dimensions 85 mm bore × 130 mm outside diameter × 34 mm width.
Series NN30 is the double-row cylindrical roller line in ISO dimension series 30. Bore Code: 17, giving an 85 mm bore. Relubrication: AS, lubrication groove in the outer ring with three radial holes, the FAG form of W33. Cage Material: M, machined brass. Precision Class: SP / P5, FAG special precision class, dimensional tolerance to P5. Bore Type: straight cylindrical – the designation carries no K suffix, and FAG’s own bore-suffix convention marks a tapered bore with a K; no K means a straight bore.
Two rows of cylindrical rollers give very high radial capacity and radial stiffness in a short width, which is what puts this type in machine-tool spindles and rolling-mill drives. The design is non-locating: radial load only, with axial location taken by a separate bearing elsewhere on the shaft. A straight bore mounts on a cylindrical shaft seat with an interference fit, so radial internal clearance after mounting is set by that fit rather than by drive-up on a taper. A machined brass cage handles higher speed and temperature than a pressed or polyamide cage. The groove and three holes let lubricant reach the roller sets through the housing.
Bore: 85 mm (3.3465 in), straight cylindrical. Outside Diameter: 130 mm (5.1181 in). Overall Width: 34 mm (1.3386 in). Number Of Rows: 2. Rolling Elements: cylindrical rollers. Cage Material: machined brass (M). Precision Class: SP, dimensional tolerance P5. Bore Type: Straight. Arrangement: non-locating. Relubrication: outer-ring groove with three radial holes (AS). Bearing Material: chrome bearing steel.
1 Pc. Bearing only, straight bore, mounted directly on a cylindrical shaft seat.
The interference fit on the shaft absorbs part of the radial internal clearance once mounted, so the seat tolerance is what sets running clearance on a straight-bore NN. The lubrication groove aligns with the housing relubrication port. The outer ring carries no axial load and floats in the housing unless the shaft is located elsewhere. Both rings are one piece, so the inner ring and roller set separate from the outer for mounting.
Straight-bore P5-class crosses: NSK NN3017MP5 and NTN NN3017C1NAP5. SKF NN 3017 TN9/SPW33 matches the envelope and precision but carries a polyamide cage rather than brass. The tapered-bore NN3017-K forms, polyamide-cage TVP variants and the NNU series with its different rib arrangement are related sizes, not substitutes.
$103.24
11 in stock
$103.24
11 in stock
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