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Central Surplus Bearing Finder
A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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1 in stock
Super-precision angular contact ball bearing, 40 x 90 x 23 mm, ABEC 5. Two pieces from a matched medium-preload duplex set with a machined phenolic cage.
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$90.08
1 in stock
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| MFR / Brand | RHP |
|---|---|
| MPN | 7308TDUMP5 |
| Model | 7308 T/TB DUM P5 / 7308TDUMEP5 |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 40 mm |
| OD | 90 mm |
| Width | 23 mm |
| Preload | Medium |
|---|---|
| Material | Bearing Steel |
| Industry Terms | Super precision angular contact bearing; machine tool spindle bearing; duplex matched pair |
| Application Types | Machine tool spindles; grinding spindles; high-speed gearboxes |
| Overall Width | 23 mm |
| Mpn Variants | 7308TDUMP5; 7308-TB-DUM-P5; 7308B; 7308-T-DUM-EP5 |
| Precision Class | ABEC 5 / P5 |
| Cage Type | One-piece machined, inner-ring centred |
| Precision Rating | ABEC 5 / P5 |
| Series | 7300 |
| Rolling Elements | Ball |
| Cage Material | Phenolic |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.10.50.68 |
| Mounting Arrangement | Duplex, universally ground |
| Bearing Material | Bearing Steel |
| Cross Reference 1 | NSK 7308 super-precision range (related, same 40x90x23 mm envelope) |
|---|---|
| Cross Reference 2 | FAG B7308 range (related, same 40x90x23 mm envelope) |
| Cross Reference 3 | SKF 7308 range (related, same 40x90x23 mm envelope) |
RHP 7308-TB-DUM-P5 super-precision angular contact ball bearing. Bore Diameter: 40 mm. Outside Diameter: 90 mm. Overall Width: 23 mm. Precision Class: ABEC 5 / P5. Rolling Elements: Ball. Number Of Rows: 1. Bore Type: Straight. Closure Type: Open. Bearing Material: Bearing steel. Series: 7300.
7308 — ISO series 03 angular contact ball bearing, 40 mm bore, 90 mm outside diameter, 23 mm width.
TB — one-piece machined laminated phenolic cage, centred on the inner ring.
DU — duplex universal. The faces are ground so that any two bearings from the range mount back-to-back, face-to-face or in tandem.
M — medium preload.
P5 — ISO precision class 5, equivalent to ABEC 5.
Cage Material: Phenolic. Cage Type: One-piece machined, inner-ring centred. Inner-ring centring locates the cage on the faster-moving ring, which holds it concentric under the centrifugal load of a high-speed spindle.
Preload: Medium. A medium preload raises stiffness over a light-preload set at the cost of more heat generation at a given speed.
Precision Class: ABEC 5 / P5. Tighter bore, outside diameter and running-accuracy tolerances than a standard-class bearing.
Mounting Arrangement: Duplex, universally ground. Bore Type: Straight. Snap Ring Included: No.
Unit Quantity: 2 Pcs. Two pieces from a factory matched set, ground for medium preload when mounted as a pair.
Same 40 x 90 x 23 mm ISO 7308 envelope in other makers’ precision ranges: NSK 7308 series, FAG B7308 series, SKF 7308 range, NTN 7308 range. Each is offered in more than one contact angle, so the equivalent is selected by the angle the machine calls for.
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Rockwell’s own product page for the Kinetix 6000 is down
A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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Our team can locate, cross-reference, and source all parts.
Our team can locate, cross-reference, and source all parts.
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