store 
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:
7 in stock
Thin-section super-precision angular contact bearing pair, 30 x 47 x 9 mm, 25° contact angle, ABEC 7 / P4, light preload, machined phenolic cage.
List Price
$157.72
7 in stock
On the Shelf & Ready to Ship
On all orders
No Risk, No Hassle
| MFR / Brand | SNR |
|---|---|
| MPN | 71906HDUJ74 |
| Model | 7906A5/ACD 7906E T DUL P4 / 3MM9306WI CR DUL / 71906 H DU J74 |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 30 mm |
| OD | 47 mm |
| Width | 9 mm |
| Material | 52100 vacuum-degassed high-carbon chrome steel |
|---|---|
| Series | 719 |
| Lubricant | Grease or oil |
| Preload | Light, 14 lbf |
| Base Number | 71906 |
| Industry Terms | Machline bearing; spindle bearing; thin section angular contact; super precision angular contact; phenolic cage bearing; universal duplex pair; 19 series bearing |
| Common Misspellings | 71906 HDUJ74; 71906H DU J 74; 71906HDUJ 74; SNR 71906 H DU; 7906HDUJ74 |
| Application Types | High-speed machine tool spindles; compact precision assemblies where radial space is limited; grinding spindles; instrument drives |
| Bore Shaft Size | 30 mm |
| Mpn Variants | 71906HDUJ74; 71906.H.DU.J74; 71906-H-DU-J74; 71906 H DU J74; 71906HDU J74; 71906HV (single); 71906H |
| Manufacturer Status | SNR is part of the NTN-SNR group; Machline range current |
| Precision Class | ISO 4 / P4 / ABEC 7 |
| Cage Type | Machined, outer-ring guided |
| Dynamic Load Rating | 8,000 N (1,800 lbf) per single bearing |
| Static Load Rating | 5,920 N (1,330 lbf) per single bearing |
| Rolling Elements | Ball |
| Cage Material | Cotton-fabric-reinforced phenolic |
| Number Of Rows | 1 per bearing |
| Bore Type | Straight |
| Snap Ring Included | No |
| Limiting Speed | 27,000 rpm grease; 42,000 rpm oil |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 25° |
| Bearing Material | 52100 vacuum-degassed steel |
| Part Number | 71906HDUJ74 |
| Total Width | 18 mm |
| Closure Type | Open |
| Cross Reference 1 | FAG B71906-E-T-P4S-DUL - light preload |
|---|---|
| Cross Reference 2 | SKF 71906 ACD/P4ADGA - light preload (DGA) |
| Cross Reference 3 | 7906-E-T-DUL-P4 - world-number format |
| Cross Reference 4 | Fafnir 3MM9306WI - 25 deg, preload by suffix |
SNR 71906HDUJ74 (SNR Machline) super-precision angular contact ball bearings, thin-section 719 series, supplied as a universal duplex pair of 2 pieces. Bore Diameter: 30 mm. Outside Diameter: 47 mm. Width: 9 mm per bearing. Total Width: 18 mm for the pair. Contact Angle: 25°. Preload: Light, 14 lbf. Precision Class: ISO 4 / P4 / ABEC 7. Cage Material: stratified cotton-fabric-reinforced phenolic. Country of Origin: France.
71906 — ISO 19 dimension series angular contact envelope, 30 x 47 x 9 mm.
H — 25° contact angle in the SNR scheme.
DU — pair of universal bearings, selected so bore and outside-diameter variation across the set stays within half the ISO tolerance.
J74 — 7 = light preload; 4 = precision class ISO 4 / P4 / ABEC 7.
Bore Diameter: 30 mm. Outside Diameter: 47 mm. Width: 9 mm per bearing. Total Width: 18 mm for the pair. Contact Angle: 25°. Dynamic Load Rating: 8,000 N (1,800 lbf) per single bearing. Static Load Rating: 5,920 N (1,330 lbf) per single bearing. Limiting Speed: 27,000 rpm grease; 42,000 rpm oil, per single bearing. Lubricant: grease or oil. Preload: Light, 14 lbf. Precision Class: ISO 4 / P4 / ABEC 7. Cage Material: stratified cotton-fabric-reinforced phenolic. Cage Type: machined, guided by the outer ring. Bearing Material: 52100 vacuum-degassed steel rings and balls. Rolling Elements: Steel balls. Number Of Rows: 1 per bearing. Closure Type: Open. Unit Quantity: 2 Pcs.
Envelope per bearing: 30 x 47 x 9 mm. Pair stack: 18 mm. Straight bore. Universal grinding: the pair mounts back-to-back, face-to-face or tandem at the ground light preload with no shims.
Cross-references in the 30 x 47 x 9 mm size at 25° and light preload: FAG B71906-E-T-P4S-DUL, SKF 71906 ACD/P4ADGA, 7906-E-T-DUL-P4 (world-number format), Timken Fafnir 3MM9306WI (Fafnir 25° series).
Bore 30 mm, outside diameter 47 mm, width 9 mm per bearing and 18 mm for the pair.
H is the 25° contact angle. J74 is light preload with precision class ISO 4 / P4 / ABEC 7.
Two bearings as one universal duplex pair.
$43.50
29 in stock
$53.53
48 in stock
$141.11
255 in stock
$227.83
45 in stock
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.
Sort
Brand
Price
MPN
Categories
