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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.
Availability:
4 in stock
SNR 7004HG1DUJ84-1/2PR super-precision angular contact ball bearing, 20 x 42 x 12 mm, 25° contact angle, ISO Class 4 (ABEC 7), medium preload.
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| MFR / Brand | SNR |
|---|---|
| MPN | 7004HG1DUJ84-1/2PR |
| Model | 7004A5/ACD 7004E T DUM P4 / 3MM9104WI CR DUM / 7004 H G1 DU J84 |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 20 mm |
| OD | 42 mm |
| Width | 12 mm |
| Material | High Carbon Chrome Steel |
|---|---|
| Series | 7000 |
| Preload | Medium |
| Base Number | 7004 |
| Overall Width | 12 mm |
| Bore Shaft Size | 20 mm |
| Mpn Variants | 7004HG1DUJ84 / 7004HG1DUJ84-1/2PR / 7004-H-G1-DU-J84 / 7004 H G1 DU J84 / 7004A5/ACD |
| Precision Class | ISO Class 4 (ABEC 7 / P4) |
| Closure Type | Open |
| Cage Type | Outer-ring centred |
| Precision Rating | ISO Class 4 (ABEC 7 / P4) |
| Rolling Elements | Ball |
| Cage Material | Laminated phenolic resin |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 25° |
| Part Number | 7004HG1DUJ84-1/2PR |
| Industry Terms | super precision angular contact bearing; spindle bearing; machine tool bearing; 25 degree angular contact bearing; matched pair bearing |
| Common Misspellings | SNR 7004HG1DUJ84 1/2PR, SNR 7004 HGI DU J84, SNR 7004HG1DUJ48 |
| Application Types | machine tool spindles; precision spindles; ball screw supports |
| Cross Reference 1 | FAG 7004E-T-DUM-P4 |
|---|---|
| Cross Reference 2 | NSK 7004ETRDUMP4 |
| Cross Reference 3 | Fafnir 3MM9104WI CR DUM |
| Cross Reference 4 | SKF 7004 ACD/P4ADGB - light preload |
| Cross Reference 5 | 7004 C / B7004-C - 15° vs 25° |
NTN-SNR 7004HG1DUJ84-1/2PR is a super-precision angular contact ball bearing, ISO 70 dimension series, 20 x 42 x 12 mm, 25° contact angle, phenolic cage, medium preload. Single bearing from a two-bearing set. Unit Quantity: 1 Pc.
7004 — ISO 70 dimension series, 20 mm bore.
H — Contact angle 25°.
G1 — Laminated phenolic resin cage, outer-ring centred.
J84 — Medium preload; the second digit 4 is ISO Class 4 (ABEC 7 / P4).
-1/2PR — One piece of a pair; sale unit 1 Pc.
Bore Diameter: 20 mm. Outside Diameter: 42 mm. Overall Width: 12 mm. Contact Angle: 25°. Number Of Rows: 1. Rolling Elements: Ball. Bore Type: Straight. Closure Type: Open. Bearing Material: High carbon chrome steel. Cage Material: Laminated phenolic resin. Cage Type: Outer-ring centred. Precision Class: ISO Class 4 (ABEC 7 / P4). Preload: Medium. Series: ISO 70. Base Number: 7004.
Envelope: 20 x 42 x 12 mm per bearing. Preload is set by the ground faces; the bearing carries no internal clearance class.
Cross-references: FAG 7004E-T-DUM-P4; NSK 7004ETRDUMP4; Fafnir 3MM9104WI CR DUM; SKF 7004 ACD/P4ADGB (light preload); 7004 C / B7004-C (15° vs 25°). Carton designations: 7004E-T-DUM-P4 and 7004-H-G1-DU-J84. Also written 7004HG1DUJ84, 7004 H G1 DU J84 and 7004A5/ACD.
Bore 20 mm, outside diameter 42 mm, width 12 mm.
Contact angle is 25° (H).
J84 is medium preload at ISO Class 4 (ABEC 7 / P4).
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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
Our team can locate, cross-reference, and source all parts.
Our team can locate, cross-reference, and source all parts.
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