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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:
1 in stock
Ball screw support bearing, 40 x 90 x 20 mm, 60° contact angle, P5 precision. Nachi 40TAB09 DT tandem matched pair of two bearings, open type.
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| MFR / Brand | Nachi |
|---|---|
| MPN | 40TAB09DT |
| Model | 40TAB09 DT P5 |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 40 mm |
| OD | 90 mm |
| Width | 20 mm |
| Material | Bearing Steel |
|---|---|
| Series | TAB |
| Dynamic Load Rating | 65,000 N |
| Rolling Elements | Ball |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 60° |
| Mounting Arrangement | Tandem (DT) |
| Limiting Speed | 3,150 rpm grease |
| Base Number | 40TAB09 |
| Industry Terms | Ball screw support bearing; 60 degree angular contact thrust |
| Common Misspellings | 40TAB9, 40 TAB 09, 40TAB09-DT |
| Application Types | machine tool ball screws, CNC axis drives |
| Mpn Variants | 40TAB09DT, 40TAB09 DT P5, 40-TAB-09-DT-P5, 40TAB09DTP5, 40TAB09 |
| Precision Class | ABEC 5 / P5 |
| Cross Reference 1 | NSK 40TAC90B |
|---|---|
| Cross Reference 2 | SKF BSD 4090 C |
| Cross Reference 3 | NTN BST40X90 |
| Cross Reference 4 | Koyo SAC4090 |
Nachi 40TAB09 ball screw support bearing: a 60° angular contact thrust ball bearing built to carry ball screw axial loads with high axial rigidity. Supplied as a DT tandem matched pair. Unit Quantity: 2 Pcs.
40 — bore diameter, 40 mm.
TAB — Nachi high-durability ball screw support bearing series, 60° contact angle.
09 — outside diameter divided by 10: 90 mm.
DT — tandem mounting. Two bearings matched to face the same direction and share axial load in one direction.
P5 — precision class ISO P5.
Contact Angle: 60°. Closure Type: Open. Rolling Elements: Ball. Series: TAB. Mounting Arrangement: Tandem (DT). Dynamic Load Rating: 65,000 N (Ca, single bearing). Permissible Axial Load: 101,000 N (single bearing). Limiting Speed: 3,150 rpm grease (medium preload). Precision Class: ABEC 5 / P5. Axial Rigidity: 1,320 N/µm (DB or DF pair, medium preload /GM).
Bore Diameter: 40 mm. Outside Diameter: 90 mm. Overall Width: 20 mm per bearing. Fillet Radius r min: 1 mm. Fillet Radius r1 min: 0.6 mm.
Crosses in the 40 x 90 x 20 mm, 60° ball screw support size: NSK 40TAC90B, SKF BSD 4090 C, NTN BST40X90, Koyo SAC4090. Searchable forms of the number: 40TAB09DT, 40TAB09 DT P5, 40-TAB-09-DT-P5, 40TAB09DTP5, 40TAB09.
Bore Diameter: 40 mm. Outside Diameter: 90 mm. Overall Width: 20 mm per bearing.
Contact Angle: 60°, the TAB ball screw support series.
DT is tandem mounting: two matched bearings facing the same direction and sharing axial load in one direction.
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