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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:
1 in stock
Deep groove ball bearing, 55 x 100 x 21 mm, steel shields both sides, C3 clearance. Grease filled, 46,200 N dynamic rating.
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$23.97
1 in stock
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| MFR / Brand | SKF |
|---|---|
| MPN | 6211-2Z/C3 |
| GTIN | 7316576681356 |
| Model | 6211 2Z/ZZ C3/JEM |
| Bearing Type | Deep Groove Ball Bearing |
| ID | 55 mm |
| OD | 100 mm |
| Width | 21 mm |
| Material | Steel |
|---|---|
| Base Number | 6211 |
| Mpn Variants | 6211-2Z/C3; 6211-2Z-C3; 6211ZZC3; 6211 2Z C3; 6211 |
| Unspsc | 31171504 |
| Dynamic Load Rating | 46,200 N |
| Static Load Rating | 29,000 N |
| Series | 62 |
| Rolling Elements | Ball |
| Item Weight | 0.618 kg (1.36 lb) |
| Cage Material | Pressed steel |
| Number Of Rows | 1 |
| Bore Type | Cylindrical |
| Limiting Speed | 7,000 rpm |
| Internal Clearance | C3 |
| Lubricant | Grease |
| Bearing Material | Bearing steel |
| Cross Reference 1 | FAG 6211-2Z-C3 |
|---|---|
| Cross Reference 2 | NSK 6211ZZC3 |
| Cross Reference 3 | NTN 6211ZZC3 |
| Cross Reference 4 | Koyo 6211ZZC3 |
| Cross Reference 5 | NACHI 6211ZZC3 |
SKF 6211-2Z/C3 single-row deep groove ball bearing with pressed steel shields on both faces. Bore Diameter: 55 mm. Outside Diameter: 100 mm. Overall Width: 21 mm. Number Of Rows: 1. Rolling Elements: Ball. Bore Type: Cylindrical. Closure Type: Shielded both sides, non-contact. Cage Material: Pressed steel. Internal Clearance: C3. Lubricant: Grease. Bearing Material: Bearing steel. Item Weight: 0.618 kg (1.36 lb). Series: 62. Base Number: 6211. GTIN: 7316576681356.
6211 is the ISO 62 medium series at a 55 mm bore. 2Z is a pressed steel shield on each face. C3 is radial internal clearance greater than normal. Written as 6211-2Z/C3, 6211-2Z-C3 and 6211ZZC3.
Dynamic Load Rating: 46,200 N. Static Load Rating: 29,000 N. Reference Speed: 14,000 rpm. Limiting Speed: 7,000 rpm. A 2Z shield runs with a small clearance against the inner ring shoulder rather than rubbing on it, so it holds the grease charge in and coarse debris out while adding no friction torque — that is why a shielded bearing keeps close to the speed rating of the open version. The bearing arrives greased and sealed for life. C3 clearance leaves extra room at rest for the interference fit and the running temperature difference between shaft and housing to take up.
Unit Quantity: 1 Pc. One bearing per sale unit, shielded and grease filled.
The 55 mm cylindrical bore seats on a plain shaft journal with an interference fit; the 100 mm outside diameter locates in the housing bore. Both rings abut shoulders that clear the shield outer edges.
6211 is an ISO-pattern designation and the shield and clearance suffixes translate directly. Cross-Reference 1: FAG 6211-2Z-C3. Cross-Reference 2: NSK 6211ZZC3. Cross-Reference 3: NTN 6211ZZC3. Cross-Reference 4: Koyo 6211ZZC3. Cross-Reference 5: NACHI 6211ZZC3. On NSK, NTN, Koyo and NACHI the ZZ code means steel shields, matching SKF’s 2Z. Searchable forms: 6211-2Z/C3, 6211-2Z-C3, 6211ZZC3, 6211 2Z C3, 6211.
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