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Deep Groove Ball Bearings: The Industry Default and When to Reach for Something Else
If you pulled a bearing off general industrial equipment at random, there’s a good chance
Availability:
2 in stock
Koyo 6011-2RSCM deep groove ball bearing, 55 mm bore, 90 mm OD, 18 mm wide, rubber contact seals both sides, CM electric-motor clearance. Cr 35,300 N.
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2 in stock
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| MFR / Brand | Koyo |
|---|---|
| MPN | 6011-2RSCM |
| Model | 6011-2RS CM |
| Bearing Type | Ball Bearing, Contact seals both sides |
| ID | 55 mm |
| OD | 90 mm |
| Width | 18 mm |
| Series | 6000 |
|---|---|
| Dynamic Load Rating | 35,300 N |
| Static Load Rating | 21,200 N |
| Rolling Elements | Ball |
| Item Weight | 0.385 kg (0.85 lb) |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.10.50.68 |
| Internal Clearance | CM |
| Limiting Speed | 4,300 rpm grease |
| Base Number | 6011 |
| Overall Width | 18 mm |
| Mpn Variants | 60112RSCM, 6011-2RSCM, 6011 2RS CM, 6011-2RS CM, 6011RS, 60112RS |
| Additional Attributes | Cu 1.25 kN; f0 15.3; r 1.1; da 61.5-62; Da 83.5; ra 1 (mm) |
| Lubricant | Grease |
| Cross Reference 1 | NSK 6011DDUCM |
|---|---|
| Cross Reference 2 | NTN 6011LLUCM |
| Cross Reference 3 | SKF 6011-2RS1 (normal clearance) |
The Koyo 6011-2RSCM is a single-row deep groove ball bearing in the ISO 6011 size, with a rubber contact seal on each side and Koyo CM internal clearance for electric motors. It carries radial load and moderate axial load in both directions, and the seals retain the factory grease fill.
6011 — 60 series deep groove ball bearing, bore code 11, 55 mm bore, 90 mm OD, 18 mm width.
2RS — rubber contact seal on both sides.
CM — Koyo radial clearance for electric motor bearings, set for low noise and vibration.
Bore Diameter: 55 mm. Outside Diameter: 90 mm. Overall Width: 18 mm. Dynamic Load Rating: 35,300 N. Static Load Rating: 21,200 N. Fatigue Load Limit: 1,250 N. Limiting Speed: 4,300 rpm grease. Item Weight: 0.385 kg (0.85 lb). Rolling Elements: Ball. Number Of Rows: 1. Closure Type: Contact seals both sides. Internal Clearance: CM. Lubricant: Grease. Bore Type: Straight. Series: 6000.
Fillet Radius r min: 1.1 mm. Shaft Abutment Diameter da: 61.5 mm min, 62 mm max. Housing Abutment Diameter Da: 83.5 mm max. Abutment Fillet Radius ra: 1 mm max.
Cross-references: NSK 6011DDUCM, NTN 6011LLUCM and SKF 6011-2RS1 (normal clearance, 55 x 90 x 18 mm with rubber contact seals). Also marked 60112RSCM, 6011 2RS CM and 6011RS. Harmonization Code: 8482.10.50.68.
CM is Koyo’s radial clearance for electric motor bearings.
Dynamic Load Rating: 35,300 N. Static Load Rating: 21,200 N.
4,300 rpm with grease.
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