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Timing Belt Pulleys and V-Belt Sheaves: Matching Belt Drive Components Correctly
Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
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2 in stock
Super precision angular contact ball bearing, 20 x 42 x 12 mm, 25° contact angle, universal single, light preload, ABEC 7 / P4 class, ball-guided cage. 1 Pc.
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| MFR / Brand | NSK |
|---|---|
| MPN | 7004A5TYSULP4 |
| Model | 7004A5TYSULP4 |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 20 mm |
| OD | 42 mm |
| Width | 12 mm |
| Material | Bearing Steel |
|---|---|
| Series | 7000 |
| Preload | Light (L), 81 N |
| Closure Type | Open |
| Cage Type | Ball-guided |
| Dynamic Load Rating | 13,400 N |
| Static Load Rating | 6,250 N |
| Rolling Elements | Ball |
| Item Weight | 0.067 kg (0.15 lb) |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.10.50.28 |
| Contact Angle | 25° |
| Mounting Arrangement | Universal single (SU) |
| Base Number | 7004 |
| Industry Terms | super precision angular contact bearing, spindle bearing, machine tool bearing, universal matched bearing |
| Common Misspellings | 7004ASTYSULP4, 7004A5TYNSULP4, 7004A5TYSUL |
| Application Types | Machine tool spindles, grinding spindles, high-speed precision shafts |
| Mpn Variants | 7004A5TYSULP4, 7004-A5-TY-SUL-P4, 7004 A5 TY SUL P4, 3MM9104WICRSUL, B7004E, 7004A5 |
| Precision Class | ABEC 7 / P4 |
| Additional Attributes | Effective load centre a 13.2 mm; da min 25 mm; Da max 37 mm; Db max 39.5 mm; ra max 0.6 mm; rb max 0.3 mm; axial rigidity 68 N/um at light preload (DB/DF); permissible axial load Pa 5.45 kN; grease quantity 0.41 g per bearing |
| Cross Reference 1 | Fafnir 3MM9104WICR SUL - 20x42x12 mm, 25° angle; cage differs |
|---|---|
| Cross Reference 2 | RHP 7004A5 - 20x42x12 mm, 25° angle; cage differs |
| Cross Reference 3 | SKF 7004 ACD/P4A - 20x42x12 mm, 25° angle; cage differs |
| Cross Reference 4 | FAG B7004-E-T-P4S-UL - 20x42x12 mm, 25° angle; cage differs |
| Cross Reference 5 | NTN 7004UADG/GNP4 - 20x42x12 mm, 25° angle; cage differs |
NSK 7004A5TYSULP4 super-precision single-row angular contact ball bearing, 20 mm bore, 42 mm outside diameter, 12 mm width, 25° contact angle, ball-guided cage, universal single, light preload, ABEC 7 / P4. Unit Quantity: 1 Pc. Carton marking also reads 3MM9104 WI CR SUL and B7004E.
70 — NSK standard-series super-precision angular contact bearing, ISO 10 dimension series.
04 — bore code, 04 x 5 = 20 mm.
A5 — 25° contact angle.
TY — ball-guided cage.
SU — single bearing, universally ground for DB, DF or DT pairing.
L — light preload.
P4 — ISO Class 4 precision, equivalent to ABEC 7.
Bore Diameter: 20 mm. Outside Diameter: 42 mm. Overall Width: 12 mm. Contact Angle: 25°. Cage Type: Ball-guided. Preload: Light (L), 81 N in DB or DF pairing. Axial rigidity at light preload: 68 N/µm. Precision Class: ABEC 7 / P4. Closure Type: Open. Dynamic Load Rating: 13,400 N. Static Load Rating: 6,250 N. Item Weight: 0.067 kg (0.15 lb).
Effective load centre a: 13.2 mm. Shaft abutment da min: 25 mm. Housing abutment Da max: 37 mm; Db max: 39.5 mm. Fillet radius ra max: 0.6 mm; rb max: 0.3 mm. Chamfer r min: 0.6 mm; r1 min: 0.3 mm. Permissible axial load Pa: 5.45 kN. Grease quantity: 0.41 g per bearing.
20 x 42 x 12 mm bearings at 25° and P4 class: Fafnir 3MM9104WICR SUL, RHP 7004A5, SKF 7004 ACD/P4A, FAG B7004-E-T-P4S-UL, NTN 7004UADG/GNP4 (cage differs by maker).
Bore Diameter: 20 mm. Outside Diameter: 42 mm. Overall Width: 12 mm.
SU is a single bearing, universally ground for DB, DF or DT pairing. L is light preload.
Contact Angle: 25°. Precision Class: ABEC 7 / P4, ISO Class 4.
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Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
Tapered, cylindrical, and spherical roller bearings all solve the same basic problem, carrying more load
If you pulled a bearing off general industrial equipment at random, there’s a good chance
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Our team can locate, cross-reference, and source all parts.
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