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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
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1 in stock
Super-precision angular contact ball bearing, 55 x 100 x 21 mm, 15° contact angle, ABEC 7 / P4, light preload, one bearing of a universal duplex pair.
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$137.22
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| MFR / Brand | SNFA |
|---|---|
| MPN | E255-7CE1DUL-1/2PR |
| Model | 2MM-211 WI DUL / 7211-C P4 DUL / E 255-7 CE 1 DU L |
| Bearing Type | Angular Contact Ball Bearing |
| ID | 55 mm |
| OD | 100 mm |
| Width | 21 mm |
| Mpn Variants | E255-7CE1DUL-1/2PR, E255-7CE1DUL, E 255 7CE1 DUL, E-255-7-CE-1-DUL |
|---|---|
| Precision Class | ABEC 7 / P4 |
| Cage Type | Outer-ring guided |
| Dynamic Load Rating | 55,300 N |
| Static Load Rating | 43,000 N |
| Series | E 200 (ISO 02) |
| Item Weight | 0.603 kg (1.33 lb) |
| Cage Material | Phenolic |
| Number Of Rows | 1 |
| Snap Ring Included | No |
| Limiting Speed | 14,000 rpm grease; 22,000 rpm oil |
| Contact Angle | 15° |
| Preload | Light |
| Mounting Arrangement | Universally ground single bearing (back-to-back, face-to-face or tandem) |
| Closure Type | Open |
| Cross Reference 1 | SKF 7211 CDGA/P4A - GA light preload, P4A |
|---|---|
| Cross Reference 2 | SKF 7211 CD/P4A - P4A class |
| Cross Reference 3 | FAG B7211-C-T-P4S-UL - P4S class |
| Cross Reference 4 | NSK 7211CTYNSULP4 - TYN polyamide cage |
| Cross Reference 5 | Fafnir 2MM211WICRSUL - MM is P4 class |
SNFA E255-7CE1DUL-1/2PR is one super-precision single-row angular contact ball bearing from a factory SNFA E255-7CE1DUL universal duplex pair, SNFA E 200 series, ISO dimension series 02. Bore Diameter: 55 mm. Outside Diameter: 100 mm. Width: 21 mm. Contact Angle: 15°. Precision Class: ABEC 7 / P4. Unit Quantity: 1 Pc.
E2 — SNFA E 200 series, ISO dimension series 02 (72xx envelope).
55 — bore diameter in millimetres.
7 — SNFA precision grade, ABEC 7 (ISO P4).
C — phenolic resin cage.
E — cage centred on the outer ring.
1 — 15° contact angle.
DU — universal duplex grinding: the faces are ground for back-to-back, face-to-face or tandem mounting.
L — light preload.
1/2PR — one bearing, half of the matched pair.
Bearing Type: Angular Contact Ball Bearing. Bore Diameter: 55 mm. Outside Diameter: 100 mm. Width: 21 mm. Contact Angle: 15°. Precision Class: ABEC 7 / P4. Preload: Light. Cage Material: Phenolic. Cage Type: Outer-ring guided. Closure Type: Open. Rolling Elements: Ball. Number Of Rows: 1. Series: E 200 (ISO 02). Dynamic Load Rating: 55,300 N. Static Load Rating: 43,000 N. Limiting Speed: 14,000 rpm grease; 22,000 rpm oil. Item Weight: 0.603 kg (1.33 lb). Mounting Arrangement: Universally ground single bearing (back-to-back, face-to-face or tandem). Unit Quantity: 1 Pc.
Universally ground single bearing, pairs with another E255-7CE1DUL bearing. The 15° angle favours radial stiffness and speed.
SKF owns SNFA and lists the E 200 series as the SNFA equivalent of its 72 .. D range; the current SKF equivalent is the 7211 CD/P4A high-capacity D design. SKF 7211 CDGA/P4A, SKF 7211 CD/P4A, FAG B7211-C-T-P4S-UL, NSK 7211CTYNSULP4 and Fafnir 2MM211WICRSUL share the 55 x 100 x 21 mm envelope and 15° contact angle, with the class and cage differences listed in the cross-references. MPN Variants: E255-7CE1DUL-1/2PR, E255-7CE1DUL, E 255 7CE1 DUL, E-255-7-CE-1-DUL.
15°.
One bearing, half of the matched pair.
Universal duplex grinding with light preload.
$53.53
48 in stock
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