Deep Groove Ball Bearings: The Industry Default and When to Reach for Something Else
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Matched pair of super-precision angular contact spindle bearings, 20 mm bore, 42 mm OD, 12 mm wide each, 15° contact angle, ABEC 7/9, light preload. 2 Pcs.
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| MFR / Brand | FAG |
|---|---|
| MPN | B7004CT.P4S.DUL |
| Model | B 7004 C T P4S DUL / 2MM9104WI CR DUL |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 20 mm |
| OD | 42 mm |
| Width | 12 mm |
| Material | Bearing Steel |
|---|---|
| Series | 7000 |
| Base Number | 7004 |
| Industry Terms | spindle bearing pair; super precision angular contact; matched duplex pair; machine tool spindle bearing; universally ground bearing set |
| Common Misspellings | B7004CT P4S DUL; B7004 C T P4S DUL; B7004CTP4S DUL; 7004-C-T-P4S-DUL; B7004CTP4SDULL |
| Bore Shaft Size | 20 mm (0.7874 in) |
| Mpn Variants | B7004C.T.P4S.DUL; B7004CTP4SDUL; B-7004-C-T-P4S-DUL; B 7004 C T P4S DUL; B7004CT.P4S.DUL; 7004C |
| Rolling Elements | Ball |
| Number Of Rows | 1 per bearing |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.10.50.68 |
| Contact Angle | 15° |
| Part Number | B7004C.T.P4S.DUL |
| Cross Reference 1 | SKF 7004 CD/P4ADGA - 15 deg, universally matched light preload |
|---|---|
| Cross Reference 2 | NSK 7004CTYNDULP4 - 15 deg, polyamide cage vs phenolic |
FAG B7004CT.P4S.DUL is a matched pair of super-precision angular contact ball bearings. Bore Diameter: 20 mm. Outside Diameter: 42 mm. Width: 12 mm per bearing. Number of Rows: 1 per bearing. Seal Type: open. Contact Angle: 15°. Precision: ABEC 7/9. Cage Material: phenolic laminate. Preload: light, universally ground.
B7 — Schaeffler super-precision spindle bearing series.
70 — dimension series.
04 — bore code for 20 mm.
C — FAG 15° contact angle.
T — phenolic cage.
P4S — precision class covering ABEC 7 to ABEC 9 tolerances.
DUL — duplex, universally ground, light preload. Two bearings ground as a set.
Limiting Speed: 36000 rpm. Dynamic Load Rating: 11.9 kN per bearing. Static Load Rating: 6.55 kN per bearing. Maximum temperature with phenolic cage: about 120 °C. Rolling Elements: ball. Series: 7000. Base Number: 7004. Harmonization Code: 8482.10.50.68.
Bore: 20 mm (0.7874 in). Total width of the pair: 24 mm (0.9449 in). Universal grinding allows back-to-back, face-to-face or tandem assembly at the specified preload without shims or ground spacers.
SKF 7004 CD/P4ADGA: 15° angle, same precision level, universally matched light-preload pair. NSK 7004CTYNDULP4: 15° angle, same class and pairing, polyamide cage in place of phenolic. Also marked 2MM9104WI CR DUL (Timken Fafnir).
Duplex, universally ground, light preload: two bearings ground as a matched set.
15°, the FAG C angle.
2 Pcs, one matched pair.
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