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Timing Belt Pulleys and V-Belt Sheaves: Matching Belt Drive Components Correctly
Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
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1 in stock
RHP 7220ETSULP4 super-precision angular contact ball bearing, 100 x 180 x 34 mm, 25° contact angle, light preload, ABEC 7 / P4, universally ground.
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| MFR / Brand | RHP |
|---|---|
| MPN | 7220ETSULP4 |
| Model | 7220 E T SUL P4 / 3MM220WI CR SUL / 7220A5 7220AC |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 100 mm |
| OD | 180 mm |
| Width | 34 mm |
| Material | Carbon chrome bearing steel (SAE 52100) |
|---|---|
| Series | 72 (ISO dimension series 02) |
| Preload | Light |
| Base Number | 7220 |
| Industry Terms | Spindle bearing, machine tool bearing, precision angular contact bearing, universally ground bearing |
| Common Misspellings | 7220 ETSUL P4, 7220ETSULP-4, RHP 7220ESUL |
| Application Types | Machine tool spindles, heavy grinding spindles, precision gearboxes, rotary tables |
| Bore Shaft Size | 100 mm |
| Mpn Variants | 7220ETSULP4; 7220 E T SUL P4; 7220-E-T-SUL-P4; B7220X3-TA-UL-EP7; 3MM220WI CR SUL; 7220A5; 7220AC |
| Precision Class | ABEC 7 / P4 |
| Cage Type | Machined, outer ring guided |
| Dynamic Load Rating | 142,000 N |
| Static Load Rating | 121,000 N |
| Precision Rating | ABEC 7 / P4 |
| Rolling Elements | Ball |
| Item Weight | 3.173 kg (6.99 lb) |
| Cage Material | Laminated phenolic resin |
| Limiting Speed | 6,900 rpm grease; 10,500 rpm oil-air |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Harmonization Code | 8482.10.50.28 |
| Contact Angle | 25° |
| Part Number | 7220ETSULP4 |
| Additional Attributes | Shaft abutment d1 min 112 mm; housing abutment D1 max 168 mm, D2 max 173 mm; internal volume 139.2 cm³; light preload 1,570 N axial, 325 N/µm axial stiffness. |
| Overall Width | 34 mm |
| Closure Type | Open |
| Cross Reference 1 | SKF 7220 ACDGA/P4A |
|---|---|
| Cross Reference 2 | FAG B7220-E-T-P4S-UL |
| Cross Reference 3 | NSK 7220A5TRSULP4 |
| Cross Reference 4 | Fafnir 3MM220WI-CR-SUL |
| Cross Reference 5 | NSK 7220CTRSULP4 – 15° contact angle, not 25° |
RHP 7220ETSULP4 super-precision single-row angular contact ball bearing, open, universally ground for use singly or matched with another bearing of the same designation. Unit Quantity: 1 Pc.
7220 — single-row angular contact ball bearing, ISO dimension series 02, bore code 20 = 100 mm.
E — legacy RHP 25° contact angle, equal to the current A5 code.
T — machined laminated phenolic cage, outer-ring guided.
SU — single universal.
L — light preload, 1,570 N axial.
P4 — ISO Class 4, equal to EP7 and ABEC 7.
Bore Diameter: 100 mm. Outside Diameter: 180 mm. Overall Width: 34 mm. Contact Angle: 25°. Precision Class: ABEC 7 / P4. Preload: Light. Dynamic Load Rating: 142,000 N. Static Load Rating: 121,000 N. Limiting Speed: 6,900 rpm grease; 10,500 rpm oil-air. Axial Stiffness: 325 N/µm at light preload. Cage Material: Laminated phenolic resin. Cage Type: Machined, outer ring guided. Maximum recommended operating temperature: 120 °C. Bearing Material: Carbon chrome bearing steel, SAE 52100. Item Weight: 3.173 kg (6.99 lb). Series: 72, ISO dimension series 02. Number Of Rows: 1. Closure Type: Open.
Shaft abutment diameter d1: 112 mm minimum. Housing abutment diameters: D1 168 mm maximum, D2 173 mm maximum. Internal volume for grease charging: 139.2 cm³.
Same 100 x 180 x 34 mm envelope, 25°, light-preload universal bearings: SKF 7220 ACDGA/P4A; FAG B7220-E-T-P4S-UL; NSK 7220A5TRSULP4; Fafnir 3MM220WI-CR-SUL. NSK 7220CTRSULP4 has the same size at a 15° contact angle. The same bearing is also designated B7220X3-TA-UL-EP7, 3MM220WI CR SUL, 7220A5 and 7220AC.
Dynamic Load Rating 142,000 N and Static Load Rating 121,000 N, from the RHP/NSK catalogue.
25° contact angle (E) and light preload (L), 1,570 N axial.
Bore 100 mm, outside diameter 180 mm and width 34 mm.
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