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Central Surplus Bearing Finder
A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
Availability:
1 in stock
Super-precision angular contact ball bearing pair, 40 x 68 x 15 mm, 15° contact angle, universal duplex, medium preload, phenolic cage. 2 Pcs.
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$182.89
1 in stock
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| MFR / Brand | RHP |
|---|---|
| MPN | 7008CTDUMP4 |
| GTIN | 747023062645 |
| Model | B7008X2 TA DUM EP7 / 7008 C T DUMP4 / 2MM9108WI CR DUM |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 40 mm |
| OD | 68 mm |
| Width | 15 mm |
| Material | Bearing Steel |
|---|---|
| Series | 7000 |
| Base Number | 7008 |
| Industry Terms | Super precision spindle bearing pair; 15 degree angular contact; phenolic cage spindle bearing; ABEC 7 bearing; universal duplex bearing; machine tool spindle bearing |
| Common Misspellings | 7008 CTDUMP4; 7008CTDUM P4; 7008CDUMP4; RHP 7008 C T DUM P4; angular contct bearing |
| Bore Shaft Size | 40 mm (1.5748 in) |
| Mpn Variants | 7008CTDUMP4; 7008-C-T-DUM-P4; 7008 C T DUM P4; 7008CTDUM; 7008C; B7008X2TADUMEP7 |
| Rolling Elements | Ball |
| Number Of Rows | 1 per bearing |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.10.50 |
| Part Number | 7008CTDUMP4 |
| Cross Reference 6 | 7008 (ISO base number) |
|---|---|
| Cross Reference 7 | RHP 7008CTDULP4 (related, same envelope and angle, light preload) |
RHP 7008CTDUMP4 super-precision angular contact ball bearings supplied as a universally ground duplex pair. Bore 40 mm, outside diameter 68 mm, width 15 mm per bearing, 30 mm across the assembled set. Straight bore, open on both faces, single row of balls per bearing, machined phenolic cage riding on the outer ring land.
70 is the ISO light angular contact dimension series and 08 is the bore code, giving a 40 mm bore. C denotes a 15° contact angle in the RHP scheme. T is a fabric-base laminate phenolic cage. DU marks universally ground duplex bearings and M sets medium preload. P4 is ISO Class 4, equivalent to ABEC 7. The carton also carries B7008X2TADUMEP7 and 2MM9108WICRDUM, whose X2 and 2MM codes confirm the 15° angle, whose CR code confirms the outer-land phenolic cage, and whose EP7 confirms the ABEC 7 class.
A 15° contact angle favours speed and radial stiffness over thrust capacity, which suits a high-rpm grinding or milling spindle. Medium preload sits a step above light: it raises axial and radial stiffness and tightens running accuracy under load, at the cost of more heat generation and a lower speed ceiling. A phenolic cage guided on the outer ring land is light and self-lubricating, which offsets part of that speed penalty.
Two pieces, a universally ground duplex pair. Universal grinding lets the two units stack as a back-to-back, face-to-face or tandem set with the medium preload built into the ground ring faces, so the pair takes thrust in both directions when mounted back-to-back or face-to-face.
Ring faces are ground flat and square for direct abutment, so preload develops when the shaft nut and housing cap are drawn fully home. Phenolic cages suit oil mist and circulating oil lubrication.
Same 15° medium-preload equivalents are the SKF 7008 CD/P4ADGB, the FAG B7008-C-T-P4S-DUM and the NSK 7008CTYNDUMP4. The Fafnir 2MM9108WICRDUM is the same specification under the WI numbering scheme.
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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