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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.
Availability:
5 in stock
RHP 7311ETBSUL single-row angular contact ball bearing, 55 x 120 x 29 mm, 25° contact angle, phenolic cage, light preload, universal face control.
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| MFR / Brand | RHP |
|---|---|
| MPN | 7311ETBSUL |
| Model | 7311 E TB SUL P0 / 3MM311 WI CR DUL |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 55 mm |
| OD | 120 mm |
| Width | 29 mm |
| Material | Chrome steel |
|---|---|
| Series | 7300 (ISO dimension series 03) |
| Preload | Light |
| Lubricant | Grease or oil |
| Base Number | 7311 |
| Industry Terms | Angular contact bearing, universally ground single, universal face control bearing, precision ball bearing, spindle bearing |
| Common Misspellings | RPH, R.H.P., 7311 ETB SUL, 7311-ETBSUL, 7311ETBSULPO |
| Bore Shaft Size | 55 mm |
| Mpn Variants | 7311ETBSUL, 7311ETBSULP0, 7311-E-TB-SUL-P0, 7311 E TB SUL P0, B7311X3TAULEP1, B-7311-X3-TAUL-EP1, 3MM311WICRDUL |
| Precision Class | ABEC 1 / P0 |
| Additional Attributes | Chamfer r min 2 mm; chamfer r1 min 1 mm; shaft abutment da min 65 mm; housing abutment Da max 110 mm; fillet radius ra max 2 mm |
| Precision Rating | ABEC 1 / P0 |
| Rolling Elements | Ball |
| Cage Material | Machined laminated phenolic |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 25° |
| Part Number | 7311ETBSUL |
| Closure Type | Open |
| Cross Reference 1 | SKF 7311 ACDGA |
|---|
RHP 7311ETBSUL is a single-row angular contact ball bearing, ISO dimension series 03: 55 mm bore, 120 mm outside diameter, 29 mm width, 25° contact angle, open, straight bore, machined laminated phenolic cage, light preload, universal face control, ABEC 1 / P0. Sold as 1 Pc.
7311 — ISO dimension series 03, bore code 11, 55 mm bore.
E — Contact Angle: 25°, the legacy RHP form of the current A5 code.
TB — one-piece machined laminated phenolic cage.
SU — universal face control: the two ring faces are ground to a fixed offset at manufacture.
L — Preload: light.
P0 — Precision Class: ABEC 1.
B7311X3-TAUL-EP1 — the older RHP B-series form carried on the carton, in which X3 is the same 25° contact angle.
3MM311WICRDUL — the Fafnir designation carried on the carton, whose 3MM prefix is also 25°.
Bore Diameter: 55 mm. Outside Diameter: 120 mm. Overall Width: 29 mm. Contact Angle: 25°. Number Of Rows: 1. Bore Type: Straight. Closure Type: Open. Rolling Elements: Ball. Bearing Material: Chrome steel. Cage Material: Machined laminated phenolic. Preload: Light. Precision Class: ABEC 1 / P0. Lubricant: grease or oil. Series: 7300 (ISO dimension series 03). Unit Quantity: 1 Pc.
Chamfer r: 2 mm minimum. Chamfer r1: 1 mm minimum. Shaft abutment diameter da: 65 mm minimum. Housing abutment diameter Da: 110 mm maximum. Shaft and housing fillet radius ra: 2 mm maximum.
Cross-reference: SKF 7311 ACDGA, 55 x 120 x 29 mm, 25°, universally matchable, light preload. Other forms of the number: 7311ETBSUL, 7311ETBSULP0, 7311-E-TB-SUL-P0, 7311 E TB SUL P0, B7311X3TAULEP1, 3MM311WICRDUL.
55 mm bore, 120 mm outside diameter and 29 mm width.
25°. The E in the designation, the X3 in the older B-series form and the 3MM prefix of the Fafnir designation all indicate 25°.
SU is universal face control, with the ring faces ground to a fixed offset; L is light preload.
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