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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, 180 x 250 x 33 mm, 25° contact angle, class P4A. Universally matchable, extra light preload GA.
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$3,249.69
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| MFR / Brand | SKF |
|---|---|
| MPN | 71936 ACDGA/P4A |
| Model | 71936ACD/P4A DGA VJ150 2MM9336WI 7936 |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 180 mm |
| OD | 250 mm |
| Width | 33 mm |
| Material | Steel |
|---|---|
| Series | 71900 |
| Preload | Extra light (GA) |
| Base Number | 71936 |
| Industry Terms | Spindle bearing; super-precision bearing; precision angular contact bearing; machine tool bearing; large-bore spindle bearing |
| Common Misspellings | 71936 ACDGA P4A; 71936ACGDA/P4A; 719 36 ACDGA; 71936ADCP4ADGA; 71936 ACD P4A DAG |
| Application Types | Machine tool spindles; grinding spindles; high-speed motor spindles; precision rotary tables |
| Overall Width | 33 mm |
| Mpn Variants | 71936 ACDGA/P4A; 71936-ACD/P4ADGA; 71936-ACD-P4A-DGA; 71936ACDP4ADGA; 7936A; 71936AC |
| Arrangement Configuration | Universally matchable |
| Precision Class | P4A |
| Cage Type | Outer-ring shoulder-guided |
| Dynamic Load Rating | 159,000 N |
| Static Load Rating | 200,000 N |
| Precision Rating | P4A |
| Rolling Elements | Ball |
| Item Weight | 4.13 kg (9.10 lb) |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 25° |
| Mounting Arrangement | Universally matchable - back-to-back, face-to-face or tandem |
| Bearing Material | Bearing steel |
| Cross Reference 1 | Timken/Fafnir 3MM9336WICRSUL - light preload |
|---|---|
| Cross Reference 2 | FAG B71936-E-T-P4S-UL - light preload |
| Cross Reference 3 | NSK 7936A5TRSULP4 - light preload |
| Cross Reference 4 | RHP 71936X3TRSULP4 - light preload |
SKF 71936 ACDGA/P4A super-precision, high-capacity, universally matchable single-row angular contact ball bearing: 180 mm bore, 250 mm outside diameter, 33 mm width, 25° contact angle, open, straight bore, extra light preload (GA).
719 — ISO extra-light dimension series. A 180 mm bore carries a 250 mm outside diameter in a 33 mm section.
36 — bore code. 36 x 5 = 180 mm.
AC — 25° contact angle.
D — high-capacity internal design.
GA — universally matchable, extra light preload.
P4A — SKF super-precision tolerance class: P4 dimensional accuracy with tighter running accuracy.
Bore Diameter: 180 mm. Outside Diameter: 250 mm. Overall Width: 33 mm. Contact Angle: 25°. Precision Class: P4A. Dynamic Load Rating: 159,000 N per bearing. Static Load Rating: 200,000 N per bearing. Preload: Extra light (GA). Number Of Rows: 1. Rolling Elements: Ball. Bore Type: Straight. Closure Type: Open. Cage Type: Outer-ring shoulder-guided. Bearing Material: Bearing steel. Item Weight: 4.13 kg (9.10 lb) per bearing.
Mounting Arrangement: universally matchable, back-to-back, face-to-face or tandem. Bore Type: Straight. Rings are one piece. Contact type: normal, two-point.
Cross-references at 180 x 250 x 33 mm, 25° contact angle, super-precision class, light preload (UL): Timken/Fafnir 3MM9336WICRSUL, FAG B71936-E-T-P4S-UL, NSK 7936A5TRSULP4, RHP 71936X3TRSULP4. The GB (light preload) and GC (medium preload) executions are separate parts on the same envelope. The 15° execution on this envelope is 71936 CDGA/P4A with 168,000 N dynamic and 212,000 N static ratings. Searchable variants: 71936 ACDGA/P4A, 71936-ACD/P4ADGA, 71936-ACD-P4A-DGA, 71936ACDP4ADGA, 7936A, 71936AC.
Dynamic load rating 159,000 N and static load rating 200,000 N, both per bearing.
GA is universally matchable with extra light preload; P4A is the SKF super-precision tolerance class with P4 dimensional accuracy.
25° (AC), with a 180 x 250 x 33 mm envelope.
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