6311-RS-C3
Tier-one manufacturer — brand supplied may vary ✓ Dimensions checked: ISO table and supplier data agreeRegular price
$76.95 USD
Regular price
Sale price
$76.95 USD
Unit price
per
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Bore55 mm
2.1654 in
Outside dia.120 mm
4.7244 in
Width29 mm
1.1417 in
TypeDeep groove ball bearing
SealingContact rubber seal, one side
ClearanceC3
Ships separately from our European warehouse — shipping from $79, quoted at checkout
Ships from our European partner stock — allow 5–8 business days
Ships from our European partner stock — allow 5–8 business days
Image is for illustration purposes only.
What 6311-RS-C3 means
| Code | Position | Meaning |
|---|---|---|
6 |
Type | Deep groove ball bearing |
3 |
Diameter series | Diameter series 3 (medium): fixes OD and width for the bore (ISO 15) |
11 |
Bore | Bore code 11 × 5 = 55 mm |
RS |
Closure | Contact rubber seal, one side |
C3 |
Internal clearance | C3: radial internal clearance greater than Normal |
Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Decode any other number with the bearing number decoder.
6311-RS-C3 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 55 mm | 2.1654 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 120 mm | 4.7244 in | ISO table for this designation, confirmed by supplier data |
| Width (B) | 29 mm | 1.1417 in | ISO table for this designation, confirmed by supplier data |
| Bearing type | Deep groove ball bearing | Stated by the designation | |
| Seals / shields | Contact rubber seal, one side | Stated by the designation | |
| Internal clearance | C3 (greater than Normal) | Stated by the designation | |
| Tolerance class | Normal (ISO P0 / ABEC 1): no tolerance-class code | Stated by the designation | |
6311-RS-C3 is a deep groove ball bearing, 55 mm bore × 120 mm OD × 29 mm wide (2.1654 × 4.7244 × 1.1417 in). It has a rubber contact seal on one side and C3 internal clearance.
The 6311-RS-C3 is a deep groove ball bearing with 55mm bore diameter, 120mm outside diameter, and 29mm width. It features a single rubber seal (RS) on one side and C3 radial clearance for applications requiring greater internal clearance than standard.
Inner Diameter (ID)
55 mm
Outside Diameter (OD)
120 mm
Width
29 mm
Sealing
Sealed
Series
63
Bearing Type
Deep groove ball bearing
