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Back-to-back pair of super precision angular contact ball bearings, 95 x 145 x 24 mm each, 15 degree contact angle, PA7 running accuracy.
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| MFR / Brand | NSK |
|---|---|
| MPN | 7019CTYDBCPA7 |
| Model | 7019C-TY-DBC-PA7 |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 95 mm |
| OD | 145 mm |
| Width | 24 mm |
| Material | Bearing Steel |
|---|---|
| Series | 7000 |
| Condition | New |
| Preload | Light |
| Base Number | 7019 |
| Industry Terms | spindle bearing pair, super precision back-to-back set, machine tool bearing, 15 degree angular contact DB |
| Total Width | 48 mm for the pair |
| Bore Shaft Size | 95 mm |
| Mpn Variants | 7019CTYDBC7PA7, 7019 CTY DB C7 PA7, 7019C-TY-DBC-PA7, 7019CTYDBCPA7, 7019CTYDB C7 PA7 |
| Arrangement Configuration | Duplex matched pair, back-to-back |
| Precision Class | PA7 |
| Min Temp | -30 °C |
| Cage Type | Ball-guided |
| Dynamic Load Rating | 71.5 kN per bearing |
| Static Load Rating | 72.5 kN per bearing |
| Precision Rating | PA7 |
| Rolling Elements | Steel balls |
| Max Temp | 100 °C |
| Item Weight | 2.56 lbs |
| Cage Material | Not specified |
| Limiting Speed | 12000 rpm |
| Number Of Rows | 1 per bearing |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Internal Clearance | N/A - preloaded matched set |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15° |
| Mounting Arrangement | Back-to-back (DB) |
| Bearing Material | Bearing steel |
| Part Number | 7019CTYDBC7PA7 |
| Cross Reference 1 | SKF 7019 CD/P4A |
|---|---|
| Cross Reference 2 | FAG B7019-C-T-P4S-DUL |
| Cross Reference 3 | Fafnir 2MM9119WI-DUL |
| Cross Reference 4 | RHP 7019CTDULP4 |
NSK 7019CTYDBC7PA7 is a back-to-back matched pair of super precision single-row angular contact ball bearings. Series: 7000, ISO 70 dimension series. Bore: 95 mm. Outside Diameter: 145 mm. Width: 24 mm per bearing. Contact Angle: 15°. Precision Class: PA7. Cage: ball-guided. Closure: open. Searchable forms of the designation are 7019CTYDBC7PA7, 7019 CTY DB C7 PA7, 7019C-TY-DBC-PA7 and 7019CTYDBCPA7.
Contact Angle: 15°. Arrangement: DB, back-to-back. Cage: ball-guided. Precision Class: PA7, an NSK special accuracy class.
A back-to-back pair carries thrust in both directions and gives a wide effective load span, which resists moment loads on a spindle. A 15° contact angle favours speed and radial capacity over thrust capacity. PA7 accuracy lowers runout and vibration in a spindle.
Dynamic Load Rating: 71.5 kN per bearing. Static Load Rating: 72.5 kN per bearing. Limiting Speed: 12,000 rpm. Maximum operating temperature: 100 °C.
Unit Quantity: 2 Pcs. One row of balls per bearing. Total width of the pair mounted back-to-back: 48 mm.
Bore form: straight. The pair is mounted as supplied, marked faces together, in the back-to-back orientation. Preload is set at manufacture, so no clearance adjustment applies at assembly.
SKF 7019 CD/P4A is the equivalent 15° super precision bearing. FAG B7019-C-T-P4S-DUL and RHP 7019CTDULP4 are equivalent matched pairs. Fafnir 2MM9119WI-DUL is the equivalent inch-market designation. Country of Origin: Japan.
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