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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:
4 in stock
Conrad deep groove ball bearing, 65 x 120 x 23 mm, two metal shields, pressed steel cage. Dynamic 55,900 N, static 40,500 N, 5,300 rpm on grease.
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| MFR / Brand | MRC |
|---|---|
| MPN | 213SFF |
| Model | 6213ZZ |
| Bearing Type | Ball Bearing |
| ID | 65 mm (2.5591 in) |
| OD | 120 mm (4.7244 in) |
| Width | 23 mm (0.9055 in) |
| Base Number | 213 |
|---|---|
| Industry Terms | Deep groove ball bearing; Conrad bearing; shielded ball bearing; radial ball bearing; Marlin Rockwell |
| Common Misspellings | 213-SFF; 213 SFF; MCR 213SFF; MRC213SFF |
| Bore Shaft Size | 65 mm (2.5591 in) |
| Mpn Variants | 213SFF; 213-SFF; 213 SFF; 213-S-FF |
| Additional Attributes | Conrad deep groove, no filling notch; full shoulders on both rings; equal load-carrying capacity in either direction; maximum shaft or housing fillet radius 1.5 mm (0.06 in); load ratings quoted for one million revolutions or 500 hours at 33-1/3 rpm; speed ratings quoted for pressed steel cage at ABEC-1 |
| Dynamic Load Rating | 55,900 N (12,600 lbf) |
| Static Load Rating | 40,500 N (9,110 lbf) |
| Series | MRC 200-S Light |
| Rolling Elements | Ball |
| Item Weight | 2.4 lb (1.09 kg) |
| Cage Material | Pressed steel |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Limiting Speed | 5,300 rpm grease, 6,300 rpm oil |
| Contact Angle | 0° |
| Part Number | 213SFF |
| Cross Reference 1 | ISO 6213-2Z |
|---|---|
| Cross Reference 2 | 6213ZZ |
What this part is: MRC 213-SFF Conrad deep groove ball bearing. Bearing Type: Conrad single-row deep groove. Bore: 65 mm (2.5591 in). Outside Diameter: 120 mm (4.7244 in). Overall Width: 23 mm (0.9055 in). Closure Type: two metal shields. Number Of Rows: 1. Rolling Elements: ball. Contact Angle: 0°. Cage Material: pressed steel. Dynamic Load Rating: 55,900 N (12,600 lbf). Static Load Rating: 40,500 N (9,110 lbf). Limiting Speed: 5,300 rpm on grease, 6,300 rpm on oil. Maximum Shaft or Housing Fillet Radius: 1.5 mm (0.06 in). Item weight: 2.4 lb (1.09 kg). Series: MRC 200-S Light. Decoding the designation: 2 — the MRC 200-S Light Series, bores from 10 mm to 120 mm. 13 — bore code, multiplied by five to give Bore: 65 mm. S — Conrad deep groove, no filling notch. FF — two shields. What these specs mean in practice: Bearing Type: Conrad deep groove with full shoulders on both rings and uninterrupted raceway grooves. That geometry gives equal load capacity in either direction and lets the bearing take substantial thrust in both directions alongside its radial load. Dynamic Load Rating: 55,900 N. Static Load Rating: 40,500 N. Rated for one million revolutions, or 500 hours at 33-1/3 rpm. Closure Type: two metal shields, running with a small clearance against the inner ring rather than rubbing on it. Shields keep the grease in and coarse contamination out without the drag of a contact lip, which is why the shielded speed rating matches the open one at 5,300 rpm on grease. Maximum Shaft or Housing Fillet Radius: 1.5 mm — the largest corner radius on the shaft shoulder or in the housing bore that the bearing corner will clear. Quantity and configuration: Unit Quantity: 1 Pc. One bearing, shielded on both faces. Interchange guidance: Searchable variants of the number: 213SFF, 213-SFF, 213 SFF, MRC 213SFF. The 65 x 120 x 23 mm double-shielded deep groove envelope is the ISO 6213-2Z, also written 6213ZZ. MRC 213-S is the same bearing open, 213-SF carries one shield and 213-SZZ two synthetic rubber seals.
$35.80
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