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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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2 in stock
Angular contact ball bearing set of two, 60 x 130 x 31 mm each, 15° contact angle, universally ground to preload, medium series. MRC 312RDS.
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$133.82
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| MFR / Brand | MRC |
|---|---|
| MPN | 312RDS |
| Model | 312 RDS |
| Bearing Type | Angular Contact Ball Bearing |
| ID | 60 mm |
| OD | 130 mm |
| Width | 31 mm |
| Base Number | 312 |
|---|---|
| Industry Terms | duplex angular contact bearing set, universally ground bearing, preloaded bearing set, 7312 bearing, matched bearing pair |
| Common Misspellings | MRC 312 R DS, MCR 312RDS, 312RSD, 321RDS, MRC312RDS |
| Total Width | 62 mm as a mounted set |
| Overall Width | 31 mm per bearing |
| Bore Shaft Size | 60 mm |
| Mpn Variants | 312RDS, 312-R-DS, 312 R DS, 312RD, 7312 |
| Arrangement Configuration | Matched duplex set, universally ground |
| Additional Attributes | Counterbored outer ring; medium series execution |
| Material | Chrome steel |
| Series | 300 Medium |
| Rolling Elements | Balls |
| Number Of Rows | 1 per bearing |
| Bore Type | Straight |
| Contact Angle | 15° |
| Preload | Universally ground to a preload requirement |
| Mounting Arrangement | Universal — pairs back-to-back, face-to-face or tandem |
| Part Number | 312RDS |
| Closure Type | Open both faces |
| Cross Reference 1 | 7312 C - 15 deg, no preload grinding |
|---|
MRC 312RDS matched set of two single-row angular contact ball bearings, medium series, universally ground to a preload requirement. Unit Quantity: 2 Pcs. Bore Diameter: 60 mm. Outside Diameter: 130 mm. Overall Width: 31 mm per bearing. Total Width: 62 mm as a set.
300 — MRC medium series.
12 — bore code. 12 x 5 = 60 mm bore.
R — single-row, counterbored outer ring, 15° contact angle.
DS — matched set of duplex bearings, universal mounting, with preload requirement.
Contact Angle: 15°. Preload: Universally ground to a preload requirement. Number Of Rows: 1 per bearing. Rolling Elements: Balls. Bore Type: Straight. Closure Type: Open both faces. Material: Chrome steel. Mounting Arrangement: back-to-back, face-to-face or tandem.
Bore Diameter: 60 mm. Outside Diameter: 130 mm. Overall Width: 31 mm per bearing. The 60 x 130 x 31 mm envelope is the ISO 7312 size.
7312 C — 15° contact angle, no preload grinding. The carton carries the 7312 designation.
Bore Diameter: 60 mm. Outside Diameter: 130 mm. Overall Width: 31 mm per bearing.
Contact Angle: 15°. The R in the designation is the single-row, counterbored outer ring, 15° type.
DS is a matched set of duplex bearings, universal mounting, with preload requirement. Unit Quantity: 2 Pcs.
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