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.
Availability:
4 in stock
RHP 7210ETSULP4 super-precision angular contact bearing, 50x90x20 mm, 25 deg contact angle, light preload, P4 / ABEC 7, machined phenolic cage. Single.
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| MFR / Brand | RHP |
|---|---|
| MPN | 7210ETSULP4 |
| Model | 7210 E T SUL P4 / 3MM210WI CR SUL |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 50 mm |
| OD | 90 mm |
| Width | 20 mm |
| Material | Carbon chrome bearing steel (SAE 52100) |
|---|---|
| Series | 7200 |
| Lubricant | grease or oil |
| Preload | Light (L) |
| Base Number | 7210 |
| Industry Terms | spindle bearing, super precision bearing, angular contact ball bearing, universally ground bearing, machine tool bearing, ABEC 7 bearing |
| Common Misspellings | RHP 7210 ETSUL P4, 7210ETSULP-4, RHP7210ETSULP4, 7210 ET SUL P4, RPH 7210ETSULP4 |
| Application Types | Machine-tool spindles, precision grinders, high-speed motion control, rotary tables, indexing heads |
| Total Width | 20 mm |
| Bore Shaft Size | 50 mm (1.9685 in) |
| Mpn Variants | 7210ETSULP4; 7210-E-T-SUL-P4; 7210 E T SUL P4; 7210ETSUL; 7210E; B7210X3TAULEP7 |
| Arrangement Configuration | Single, universally ground (SU) |
| Precision Class | ABEC 7 / P4 |
| Dynamic Load Rating C1 | 41,000 N |
| Additional Attributes | Effective load centre a = 26.3 mm. Abutment: d1 min 57 mm, D1 max 83 mm, D2 max 85 mm. Chamfer r min 1.1 mm, r1 min 0.6 mm. Internal volume 21.7 cm³. Lubrication jet PCD 65.2 mm. |
| Cage Type | Machined, outer ring land riding |
| Dynamic Load Rating | 41,000 N |
| Static Load Rating | 30,500 N |
| Precision Rating | ABEC 7 / P4 |
| Rolling Elements | Ball |
| Max Temp | 120 °C |
| Item Weight | 0.457 kg (1.008 lb) |
| Cage Material | Laminated phenolic resin |
| Limiting Speed | 14,000 rpm grease; 22,600 rpm oil-air |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 25° |
| Mounting Arrangement | Single, universally ground (SU) |
| Bearing Material | Carbon chrome bearing steel (BS970 534A99/535A99 or SAE 52100) |
| Part Number | 7210ETSULP4 |
| Closure Type | Open |
| Cross Reference 1 | Fafnir 3MM210WI-CR-SUL |
|---|---|
| Cross Reference 2 | NSK 7210A5TRSULP4 |
| Cross Reference 3 | RHP B7210X3TAULEP7 – RHP B-series form |
RHP 7210ETSULP4 super-precision single-row angular contact ball bearing, single universally ground bearing in the ISO 7210 envelope, open on both faces. Unit Quantity: 1 Pc.
7210 — single-row angular contact ball bearing, ISO dimension series 02, bore code 10 = 50 mm.
E — legacy RHP 25° contact angle, equal to the current A5 code.
T — machined laminated phenolic cage guided on the outer ring.
SU — single universal face control.
L — light preload.
P4 — ISO Class 4, equal to ABEC 7 (RHP class code EP7).
B7210X3TAULEP7 — RHP B-series form of the same bearing: X3 gives 25° and EP7 gives the P4 class.
Bore Diameter: 50 mm (1.9685 in). Outside Diameter: 90 mm. Overall Width: 20 mm. Contact Angle: 25°. Precision Class: ABEC 7 / P4. Dynamic Load Rating: 41,000 N. Static Load Rating: 30,500 N. Limiting Speed: 14,000 rpm grease; 22,600 rpm oil-air. Preload: Light. Cage Material: Laminated phenolic resin. Cage Type: Machined, outer ring land riding. Bearing Material: Carbon chrome bearing steel, BS970 534A99 / 535A99 or SAE 52100. Maximum operating temperature: 120 °C. Item Weight: 0.457 kg (1.008 lb). Number Of Rows: 1. Bore Type: Straight. Closure Type: Open.
Shaft abutment diameter d1 min: 57 mm. Housing abutment diameter D1 max: 83 mm. Outer ring abutment diameter D2 max: 85 mm. Chamfer r min: 1.1 mm. Chamfer r1 min: 0.6 mm. Effective load centre a: 26.3 mm. Internal volume: 21.7 cm³. PCD of lubrication jets: 65.2 mm. Base Number: 7210.
Same 50 x 90 x 20 mm envelope, 25°, light-preload universal bearings: NSK 7210A5TRSULP4 (A5 is the NSK code for 25°, TR the phenolic cage); Fafnir 3MM210WI-CR-SUL. RHP B7210X3TAULEP7 is the RHP B-series form of this bearing. Also written 7210-E-T-SUL-P4, 7210 E T SUL P4, 7210ETSUL and 7210E.
Dynamic Load Rating 41,000 N and Static Load Rating 30,500 N, from the RHP/NSK catalogue.
25° contact angle (E) and light preload (L).
14,000 rpm with grease and 22,600 rpm with oil-air.
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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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