Central Surplus Bearing Finder
A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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Super precision angular contact ball bearing pair, 110 x 170 x 28 mm, 15° contact angle, medium preload, laminated phenolic cage, P4 tolerance.
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$929.39
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Here are some other options that might fit your project — cross-referenced equivalents and similar parts we have in stock and ready to ship. Need help choosing? Call 585-295-7880.
Angular Contact Ball Bearing — Super-Precision P4A, 110 mm ID, 170 mm OD, 28 mm Width, 15° Contact Angle, Universally Matchable, Light Preload$1,200.23
Angular Contact Ball Bearing - 17 mm ID, 35 mm OD, 10 mm Width, 25° Contact Angle, ABEC 7 / P4, Light Preload, Open.$50.24
Super-Precision Angular Contact Ball Bearing Duplex Pair – 15 mm Bore x 32 mm OD x 9 mm Wide, 25° Contact Angle, Phenolic Cage, ABEC 7, Medium Preload$66.29
Angular Contact Ball Bearing - Ball Screw Support, 30 mm ID, 72 mm OD, 15 mm Width, 60° Contact Angle, Heavy Preload.$106.15| MFR / Brand | RHP |
|---|---|
| MPN | 7022CTDUMP4 |
| Model | 7022 C T DUM P4 / 2MM9122WI CR DUM |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 110 mm (4.3307 in) |
| OD | 170 mm (6.6929 in) |
| Width | 28 mm |
| Material | Bearing Steel |
|---|---|
| Series | 7000 Series |
| Lubricant | Oil |
| Preload | Medium |
| Base Number | 7022 |
| Industry Terms | Machine tool spindle bearing; super precision angular contact; matched duplex pair; ABEC 7 spindle bearing |
| Total Width | 56 mm (2.2047 in) mounted as a pair |
| Bore Shaft Size | 110 mm (4.3307 in) |
| Mpn Variants | 7022CTDUMP4; 7022-C-T-DUM-P4; 7022 C T DUM P4; 7022CTRDUMP4; 7022C; 2MM9122WI-CR-DUM |
| Arrangement Configuration | DU — universally ground duplex pair, mountable back-to-back, face-to-face or tandem |
| Precision Class | P4 (ABEC 7, RHP EP7, ISO Class 4) |
| Additional Attributes | Axial stiffness, pair at medium preload: 203 N/µm. Effective load centre a: 32.7 mm. Abutment: d1 120 mm max, D1 160 mm min, D2 164 mm max. Corner radius r 2.5 mm min, r1 1.0 mm min. Internal free volume 88.3 cm³ per bearing. |
| Min Temp | -30°C |
| Cage Type | Machined, outer ring guided |
| Dynamic Load Rating | 106,000 N (23,830 lbf) |
| Static Load Rating | 104,000 N (23,380 lbf) |
| Precision Rating | P4 / ABEC 7 / EP7 / ISO Class 4 |
| Rolling Elements | Steel balls |
| Max Temp | 120°C |
| Item Weight | 8.50 lb (3.85 kg) for the pair; 1.927 kg each |
| Cage Material | Laminated phenolic resin |
| Limiting Speed | 12,000 rpm oil/air; 7,700 rpm grease (single bearing) |
| Number Of Rows | 1 per bearing |
| Bore Type | Straight |
| Snap Ring Included | No |
| Internal Clearance | N/A — preloaded set |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15° |
| Design Units | Metric |
| Bearing Material | Through-hardened carbon chrome bearing steel (SAE 52100) |
| Part Number | 7022CTDUMP4 |
| Running Accuracy Radial And Axial Runout | P4: inner ring radial runout 5 µm max, outer ring radial runout 7.5 µm max |
| Cross Reference 1 | SKF 7022 CD/P4ADGB |
|---|---|
| Cross Reference 2 | FAG B7022-C-T-P4S-DUM |
| Cross Reference 3 | Fafnir 2MM9122WI-CR-DUM |
| Cross Reference 4 | 7022A5TRDUM (related size, 25° contact angle) |
RHP 7022CTDUMP4 super precision angular contact ball bearing set. Series: 70, ISO dimension series 10. Bore: 110 mm. Outside Diameter: 170 mm. Width: 28 mm per bearing. Country of origin: United Kingdom. Searchable forms: 7022CTDUMP4, 7022-C-T-DUM-P4, 7022 C T DUM P4, 7022C, and the Fafnir equivalent 2MM9122WI-CR-DUM.
Contact Angle: 15°. Cage: laminated phenolic resin, outer ring guided. Grouping: DU, a universally ground pair. Preload: Medium, 1,770 N axial. Precision Grade: P4 — ABEC 7, RHP EP7, ISO Class 4.
Dynamic Load Rating: 106,000 N. Static Load Rating: 104,000 N. Limiting speed for a single bearing: 12,000 rpm on oil/air, 7,700 rpm on grease. A 15° contact angle carries more speed and less thrust than a 25°. Medium preload gives the pair an axial stiffness of 203 N/µm and holds the shaft closer to position under changing load. The laminated phenolic cage runs quietly at speed and is rated to 120 °C.
Two pieces, supplied as a universally faced pair. Universal face control lets the pair mount back-to-back, face-to-face or in tandem at the same preload value. Total width mounted side by side: 56 mm.
Effective load centre: 32.7 mm. Abutment dimensions: shaft shoulder 120 mm maximum, housing shoulder 160 mm minimum, outer ring abutment 164 mm maximum. Corner radii: 2.5 mm minimum outer, 1.0 mm minimum inner. Recommended shaft fit at P4 for a 110 mm seat is a mean 3 µm interference; a locating housing bore takes a mean 5 µm clearance. Internal free volume is 88.3 cm³ per bearing, which sets the grease charge at 20 to 30 per cent fill.
Same-spec equivalents: SKF 7022 CD/P4ADGB, FAG B7022-C-T-P4S-DUM, Fafnir 2MM9122WI-CR-DUM. Related size: 7022A5TRDUM, the 25° version of the same envelope.
$111.47
35 in stock
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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