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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
Matched duplex pair of super-precision angular contact ball bearings, 20 mm bore, 42 mm OD, 12 mm wide each, open, 15° contact angle, medium preload. 2 Pcs.
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4 in stock
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| MFR / Brand | NSK |
|---|---|
| MPN | 7004CTYDUMPA7 |
| Model | 7004 C TY DUM PA7 / 2MM9104 WI CR DUM |
| 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 |
| Industry Terms | super precision bearing, spindle bearing, matched pair bearing, machine tool bearing, precision angular contact bearing |
| Common Misspellings | 7004 CTYDUM PA7, 7004CTY DUMPA7, NSK 7004 bearng, angular contatct bearing |
| Bore Shaft Size | 20 mm (0.7874 in) |
| Mpn Variants | 7004CTYDUMPA7, 7004-C-TY-DUM-PA7, 7004 C TY DUM PA7, 7004CTYDUM, 7004C |
| Rolling Elements | Ball |
| Number Of Rows | 1 per bearing |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15° |
| Mounting Arrangement | Universal duplex pair |
| Part Number | 7004CTYDUMPA7 |
| Cage Type | Ball-guided |
| Cross Reference 1 | Fafnir 2MM9104WI CR DUM – phenolic cage |
|---|
NSK 7004CTYDUMPA7 matched duplex pair of super-precision angular contact ball bearings. Unit Quantity: 2 Pcs. Each bearing has a 20 mm bore, 42 mm outside diameter and 12 mm width, open on both faces, straight bore. Universally ground pair with medium preload.
7004 — angular contact ball bearing, ISO 70 light series, 20 mm bore.
C — 15° contact angle (NSK scheme).
TY — ball-guided cage.
DU — universally ground duplex set.
M — medium preload.
Bore Diameter: 20 mm (0.7874 in).
Outside Diameter: 42 mm.
Width: 12 mm per bearing.
Contact Angle: 15°.
Preload: Medium.
Cage Type: Ball-guided.
Rolling Elements: Ball.
Number Of Rows: 1 per bearing.
Closure Type: Open.
Bore Type: Straight.
Mounting Arrangement: universal duplex pair. Universal grinding allows back-to-back, face-to-face or tandem arrangement.
Cross-reference: Fafnir 2MM9104WI CR DUM (carton cross designation). The same bearing is written 7004CTYDUMPA7, 7004-C-TY-DUM-PA7, 7004 C TY DUM PA7, 7004CTYDUM and 7004C.
Bore 20 mm, outside diameter 42 mm, width 12 mm per bearing.
15° contact angle (C) and medium preload (M) on a universally ground duplex pair (DU).
Two bearings, a matched universal duplex pair.
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