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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Single-row deep groove ball bearing, 75 x 115 x 20 mm, double rubber contact seals, CN clearance. Dynamic 42.3 kN, static 35.5 kN, 3,400 rpm sealed.
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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.
Deep Groove Ball Bearing — 75 mm ID, 115 mm OD, 20 mm Width, One Metal Shield$35.37
Thin-Section Deep Groove Ball Bearing – 75 mm Bore, 95 mm OD, 10 mm Width, Contact Seals Both Sides$41.19
Deep Groove Ball Bearing - 75 mm ID, 130 mm OD, 25 mm Width, Shields Both Sides, CM Motor Clearance$51.17
Deep Groove Ball Bearing — 75 mm ID, 130 mm OD, 25 mm Width, Open, Machined Brass Cage, C3, ABEC 5 / P5$52.98| MFR / Brand | MRC |
|---|---|
| MPN | 115KSZZ |
| Model | 6015 2RS |
| Bearing Type | Ball Bearing |
| ID | 75 mm |
| OD | 115 mm |
| Width | 20 mm |
| Base Number | 6015 (ISO) |
|---|---|
| Industry Terms | deep groove ball bearing; sealed ball bearing; double sealed bearing; rubber sealed bearing; 6015 bearing; 2RS bearing; radial ball bearing; MRC bearing |
| Common Misspellings | 115KS ZZ; 115-KSZZ; 115KZZ; 115KSZ; MRC 115 KS ZZ; 6015 2RS; 6015RS1; Marlin Rockwell 115KSZZ |
| Application Types | Electric motors; pumps and fans; blowers; gearboxes; line shafting; conveyor drives; washdown and dusty environments where contact seals are preferred |
| Total Width | 20 mm (0.7874 in) |
| Bore Shaft Size | 75 mm (2.9528 in) |
| Mpn Variants | 115KSZZ; 115-KS-ZZ; 115KS-ZZ; 115 KS ZZ |
| Manufacturer Status | MRC (Marlin Rockwell) is now part of SKF; supplied as US-made new old stock |
| Compatible With Replaces | MRC 115KSZZ; interchanges with 6015-2RS rubber-sealed deep groove ball bearings on the 75 x 115 x 20 mm envelope |
| Additional Attributes | Fillet radius ra: 1.00 mm — maximum shaft or housing fillet that the bearing corners will clear |
| Dynamic Load Rating | 42,300 N (9,510 lbf) per bearing — basic dynamic radial load rating C |
| Static Load Rating | 35,500 N (7,981 lbf) per bearing — basic static radial load rating C0 |
| Limiting Speed | 3,400 rpm sealed execution; 5,600 rpm grease / 6,700 rpm oil for the open or shielded execution |
| Number Of Rows | 1 (single row) |
| Series | MRC 100-KS series (single row radial deep groove); ISO 60 series (6015) |
| Part Number | 115KSZZ |
The MRC 115KSZZ is a single-row deep groove ball bearing in the MRC 100-KS series. Bore: 75 mm (2.9528 in). Outside Diameter: 115 mm (4.5276 in). Width: 20 mm (0.7874 in). Closure Type: two rubber contact seals. Rolling Elements: steel balls. Number of Rows: 1. Internal Clearance: CN (normal). This is the standard 6015 envelope.
115 — the MRC size code for the 115 mm outside diameter in the 100-KS deep groove series.
KS — single-row radial deep groove ball bearing.
ZZ — two rubber contact seals. On MRC bearings this code denotes elastomer seals, which makes the matching ISO cross-reference 6015-2RS.
Dynamic Load Rating: 42,300 N (9,510 lbf), per bearing, basic dynamic radial rating C. Static Load Rating: 35,500 N (7,981 lbf), per bearing, basic static radial rating C0. Limiting Speed: 3,400 rpm in this sealed execution. MRC publishes 5,600 rpm on grease and 6,700 rpm on oil for the open and shielded executions of the same envelope.
Fillet Radius ra: 1.00 mm — the maximum shaft or housing fillet that the bearing corners will clear.
A rubber contact seal excludes fine dust and moisture more completely than a metal shield, which suits washdown, dusty and outdoor duty. Seal contact is also what sets the 3,400 rpm figure for this execution against the 5,600 rpm grease rating of the open and shielded versions.
The ISO cross-reference is 6015-2RS on the 75 x 115 x 20 mm envelope. MRC (Marlin Rockwell) is part of SKF, so current replacements cross to SKF numbers.
Electric motors, pumps, fans, blowers, gearboxes and general line shafting carrying moderate radial load with some thrust.
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Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
Tapered, cylindrical, and spherical roller bearings all solve the same basic problem, carrying more load
If you pulled a bearing off general industrial equipment at random, there’s a good chance
Our team can locate, cross-reference, and source all parts.
Our team can locate, cross-reference, and source all parts.
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