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Matched duplex pair of angular contact ball bearings, 95 x 145 x 24 mm, 15° contact angle, heavy preload for maximum spindle stiffness.
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$598.26
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| MFR / Brand | RHP |
|---|---|
| MPN | 7019CTDUHP4 |
| Model | 7019C T DUH P4 / 2MM9119WI CR DUH / B7019X2TADUHEP7 |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 95 mm |
| OD | 145 mm |
| Width | 24 mm |
| Material | Bearing Steel |
|---|---|
| Series | 7000 |
| Condition | New |
| Preload | Heavy |
| Base Number | 7019 |
| Total Width | 48 mm assembled pair |
| Bore Shaft Size | 95 mm |
| Mpn Variants | 7019CTDUHP4, 7019-C-T-DUH-P4, 7019 C T DUH P4, 7019C, B7019X2TADUHEP7, 2MM9119WICR-DUH |
| Arrangement Configuration | DU — matched duplex pair |
| Precision Class | P4 |
| Additional Attributes | Axial stiffness 246 N/µm as a heavy-preload pair. Effective load centre a = 28.1 mm. Abutment: d1 min 104 mm, D1 max 136 mm, D2 max 139 mm. Fillet radii r min 1.5 mm, r1 min 1.0 mm. Internal volume 51.8 cm³ per bearing. Lubrication jet PCD 113.3 mm. |
| Min Temp | -30°C |
| Cage Type | Machined, outer ring guided |
| Dynamic Load Rating | 73.5 kN / 16,520 lbf (Cr) per bearing |
| Static Load Rating | 73.0 kN / 16,410 lbf (C0r) per bearing |
| Precision Rating | ABEC 7 / P4 |
| Rolling Elements | Ball |
| Max Temp | 120 °C |
| Item Weight | 5.34 lbs / 2.422 kg for the pair |
| Cage Material | Laminated phenolic resin |
| Limiting Speed | 8,600 rpm grease / 14,000 rpm oil-air single bearing |
| Number Of Rows | 1 per bearing |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Internal Clearance | N/A — preloaded bearing |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15° |
| Mounting Arrangement | Universally matchable — back-to-back, face-to-face or tandem |
| Bearing Material | Chrome bearing steel, SAE 52100 |
| Part Number | 7019CTDUHP4 |
| Cross Reference 1 | SKF 7019 CD/P4ADGC |
|---|---|
| Cross Reference 2 | FAG B7019-C-T-P4S-DUH |
| Cross Reference 3 | NSK 7019CTRDUHP4 |
| Cross Reference 4 | Fafnir 2MM9119WI-DUH |
| Cross Reference 6 | RHP 7019A5TDUHP4 (related size, 25° contact angle) |
RHP 7019CTDUHP4 super precision angular contact ball bearings, supplied as a matched duplex pair. Series: 7000, ISO dimension series 10. Bore: 95 mm. Outside diameter: 145 mm. Width: 24 mm each bearing, 48 mm assembled. Straight bore, open on both faces, ball rolling elements in chrome bearing steel to SAE 52100. Country of origin as recorded: United Kingdom.
Contact Angle: 15°. Cage: laminated phenolic resin, machined and outer-ring guided. Grouping: DU, paired unit. Preload: H, heavy. Precision Grade: P4, equal to RHP EP7 and ABEC 7. Searchable forms include 7019CTDUHP4, 7019-C-T-DUH-P4, 7019C, the RHP B-series form B7019X2TADUHEP7 and the Fafnir cross 2MM9119WICR-DUH.
Dynamic Load Rating: 73.5 kN per bearing. Static Load Rating: 73.0 kN per bearing. Limiting speed for a single bearing: 8,600 rpm with grease, 14,000 rpm with oil/air. Heavy preload carries a 0.40 speed factor on a back-to-back pair, giving 3,440 rpm and 5,600 rpm. Heavy preload is the stiffest of the four standard levels, reaching 246 N/µm at 2,350 N of axial preload, and it trades top speed for spindle rigidity and positional accuracy under cutting load. Maximum continuous operating temperature for a laminated phenolic cage: 120 °C.
Two bearings, a matched duplex pair. Universal face control means they mount back-to-back, face-to-face or in tandem at the same heavy preload, set at manufacture.
Abutment diameters from the RHP super precision tables: shaft shoulder d1 minimum 104 mm, housing shoulder D1 maximum 136 mm, D2 maximum 139 mm. Fillet radius r minimum 1.5 mm, r1 minimum 1.0 mm. Effective load centre a = 28.1 mm. Internal free volume 51.8 cm³ per bearing. Lubrication jet pitch circle 113.3 mm. Mass 1.211 kg per bearing, 2.422 kg for the pair. Recommended shaft fit at P4 is a mean 3.5 µm interference at this diameter, with a 7 µm clearance housing fit for a locating position.
Same-specification equivalents at 15° and heavy preload: SKF 7019 CD/P4ADGC, FAG B7019-C-T-P4S-DUH, Fafnir 2MM9119WICR-DUH, NSK 7019CTRDUHP4. RHP 7019A5TDUHP4 is a related size at 25°.
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