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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, 60 degree thrust angular contact, 40 mm bore x 90 mm OD x 20 mm wide, ABEC 5 precision. One bearing, half of a tandem pair.
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| MFR / Brand | Nachi |
|---|---|
| MPN | 40TAB09DT-1/2PR |
| 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 |
| Base Number | 40TAB09 |
| Industry Terms | Ball screw support bearing, screw support bearing, thrust angular contact bearing, 60 degree bearing, CNC axis bearing |
| Common Misspellings | Nachii, Natchi, 40TABO9DT, 40 TAB 09 DT P5, 40TAB09DT-1/2 PR |
| Application Types | CNC ball screw fixed ends, machine tool feed axes, precision linear actuators, press and injection machine screws |
| Bore Shaft Size | 40 mm |
| Mpn Variants | 40TAB09DT-1/2PR, 40TAB09DT, 40TAB09-DT-P5, 40TAB09DTP5, 40-TAB-09-DT-P5 |
| Rolling Elements | Ball |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.10.50.68 |
| Contact Angle | 60° |
| Part Number | 40TAB09DT-1/2PR |
A Nachi 40TAB09 ball screw support bearing: a 60° thrust angular contact ball bearing, 40 mm bore x 90 mm OD x 20 mm wide, ABEC 5 (P5) precision class. One bearing, half of a tandem pair, for the fixed end of a machine tool ball screw.
40 — 40 mm bore.
TAB — Nachi thrust angular contact ball screw support series, 60° contact angle.
09 — series size code, 90 mm outside diameter.
DT — duplex tandem, the arrangement the full set is built for.
P5 — ABEC 5 precision class.
-1/2PR — half of a pair: one bearing from the tandem set.
Bearing Type: Thrust angular contact ball bearing, ball screw support. Bore Diameter: 40 mm. Outside Diameter: 90 mm. Width: 20 mm. Contact Angle: 60°. Precision Class: P5 / ABEC 5. Base Arrangement: Duplex tandem (DT). Number Of Rows: 1. Closure Type: Open. Bore Type: Straight. Rolling Elements: Ball. Series: Nachi TAB. Unit Quantity: 1 Pc.
Bore Diameter: 40 mm. Outside Diameter: 90 mm. Width: 20 mm. A single 60° bearing carries thrust in one direction.
Written variously as 40TAB09DT, 40TAB09-DT-P5, 40TAB09DTP5 and base number 40TAB09. The 60° ball screw support family across makers includes NSK TAC, FAG 7602 series, NTN BST, Timken MM BS and RHP BSB. Contact angle, arrangement and precision class all define the part.
One bearing. The -1/2PR suffix denotes half of a pair.
60°.
P5, equivalent to ABEC 5.
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