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Central Surplus Bearing Finder
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FAG NN3018ASKW33 double row cylindrical roller bearing, 90x140x37 mm, 1:12 tapered bore, machined brass cage, W33 lube groove for grease or oil.
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| MFR / Brand | FAG |
|---|---|
| MPN | NN3018ASKW33 |
| Model | NN 3018 AS K W33 / NN3018 AS K M SP W33 |
| Bearing Type | Cylindrical Roller Bearing, Open |
| ID | 90 mm |
| OD | 140 mm |
| Width | 37 mm |
| Material | Bearing Steel |
|---|---|
| Series | NN3000 |
| Lubricant | grease or oil |
| Base Number | NN3018 |
| Industry Terms | double row cylindrical roller bearing, tapered bore spindle bearing, machine tool bearing, W33 |
| Common Misspellings | NN3018ASKMW33, NN3018 AS K W33, NN318ASKW33 |
| Application Types | machine tool spindles, lathe headstocks, milling spindles, grinding spindles |
| Overall Width | 37 mm |
| Relubrication | W33 groove and three holes in outer ring |
| Mpn Variants | NN3018ASKW33, NN3018ASKMW33, NN-3018-AS-K-M-W33, NN3018-AS-K-M-W33, NN3018 |
| Additional Attributes | Axial location: Non-locating; Compatible With / Replaces: FAG NN3018-D-K-TVP-SP-XL (current successor); Successor NN3018-D-K-TVP-SP-XL data: Dynamic load rating 162,000 N; Static load rating 216,000 N; Fatigue load limit 33,500 N; Limiting speed 7,600 rpm grease, 8,900 rpm oil; Weight 1.903 kg; Shaft shoulder diameter 105 mm h12; Housing shoulder diameter 129.8 mm H12; Minimum chamfer 1.5 mm; Operating temperature -30 °C to +120 °C |
| Rolling Elements | Cylindrical Roller |
| Cage Material | Machined brass |
| Number Of Rows | 2 |
| Bore Type | Tapered 1:12 |
| Snap Ring Included | Without Snap Ring |
| Harmonization Code | 8482.50.00 |
| Cross Reference 1 | NSK NN3018MBKR |
|---|---|
| Cross Reference 2 | FAG NN3018-D-K-TVP-SP-XL - SP class, PA cage |
FAG NN3018ASKW33 double-row cylindrical roller bearing with a 1:12 tapered bore, machined brass cage and outer-ring lubrication groove. Bore Diameter: 90 mm. Outside Diameter: 140 mm. Overall Width: 37 mm. Bore Type: Tapered 1:12. Number Of Rows: 2. Cage Material: Machined brass.
NN30 — double-row cylindrical roller bearing, ISO dimension series 30. Ribs on the inner ring; the outer ring is a plain separable sleeve.
18 — bore code, 18 x 5 = 90 mm.
AS — lubrication groove and radial lubrication holes in the outer ring.
K — tapered bore, taper 1:12. Mounts directly on a tapered spindle journal; drive-up on the taper sets the radial clearance or preload.
M — machined brass cage.
W33 — lubrication groove with three radial holes in the outer ring.
Lubricant: grease or oil, fed through the W33 groove and holes. The double row of rollers gives high radial capacity and stiffness in a narrow section, the reason the NN30 series is the standard front and rear bearing of lathe and milling spindles. Axial location: non-locating.
Successor NN3018-D-K-TVP-SP-XL data (current Schaeffler part, same 90 x 140 x 37 mm tapered-bore envelope, polyamide cage, SP precision): Dynamic load rating: 162,000 N. Static load rating: 216,000 N. Fatigue load limit: 33,500 N. Limiting Speed: 7,600 rpm grease; 8,900 rpm oil. Item weight: 1.903 kg. Shaft shoulder diameter: 105 mm (h12). Housing shoulder diameter: 129.8 mm (H12). Outer ring raceway diameter: 127 mm. Axial displacement: 2.5 mm. Minimum chamfer: 1.5 mm. Operating temperature: −30 °C to +120 °C.
MPN Variants: NN3018ASKW33, NN3018ASKMW33, NN-3018-AS-K-M-W33, NN3018-AS-K-M-W33, NN3018. Compatible With / Replaces: FAG NN3018-D-K-TVP-SP-XL is the current Schaeffler NN3018 tapered-bore part. Same-envelope tapered-bore brass-cage part: NSK NN3018MBKR.
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