Central Surplus Bearing Finder
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2 in stock
Matched duplex pair of Fafnir super-precision angular contact ball bearings, 50 x 80 x 16 mm each, 25 degree contact angle, ABEC 7/9, medium preload.
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$59.10

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| MFR / Brand | Fafnir |
|---|---|
| GTIN | 087796072497 |
| Model | 7010A5 T DUM P4 / 3 MM 9110 WI CR DUM / 7010A / 7010AC / B7010E |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 50 mm |
| OD | 80 mm (3.150 in) |
| Width | 16 mm (0.630 in) |
| Base Number | 3MM9110WI |
|---|---|
| Industry Terms | Super precision spindle bearing; machine tool spindle bearing; matched duplex pair; P4S angular contact bearing |
| Bore Shaft Size | 50 mm |
| Mpn Variants | 3MM-9110-WI-DUM; 3MM9110WI DUM; 3MM9110WICRDUM; 3 MM 9110 WI CR DUM; 7010E-T-P4S-DUM; 7010A5-T-DUM-P4; 7010A; 7010AC; B7010E |
| Compatible With Replaces | Timken world part number 7010E-T-P4S-DUM |
| Cage Type | Outer-ring land-riding, machined |
| Series | 9100WI |
| Rolling Elements | Balls (steel) |
| Number Of Rows | 1 per bearing |
| Bore Type | Straight |
| Lubricant | Grease or oil |
| Harmonization Code | 8482.10.50 |
| Part Number | 3MM9110WI-DUM |
| Material | High Carbon Chrome Steel |
| Cross Reference 1 | Timken 7010E-T-P4S-DUM |
|---|---|
| Cross Reference 2 | NSK 7010A5TRDUMP4 |
| Cross Reference 3 | FAG B7010-E-T-P4S-UM |
| Cross Reference 4 | SKF 7010 ACD/P4ADGB |
| Cross Reference 5 | RHP 7010ETDUMP4 |
Fafnir 3MM9110WI-DUM super-precision angular contact ball bearing set, ISO 7010 envelope, 50 mm bore x 80 mm outside diameter x 16 mm width per bearing, 25° contact angle, medium preload, ABEC 7/9. Supplied as a matched duplex pair of two bearings with universally ground faces.
3MM — 25° contact angle in Timken’s Fafnir super-precision scheme, with ISO tolerance class P4S, equal to ABEC 7/9.
9110 — the 9100WI light series, which maps to ISO 7010.
WI — super-precision spindle execution.
DU — universally faced duplex pair.
M — medium preload.
7010E-T-P4S-DUM — Timken’s world part number for this set.
Bore Diameter: 50 mm. Outside Diameter: 80 mm (3.150 in). Overall Width: 16 mm (0.630 in) per bearing. Total Width: 32 mm across the pair. Bore Type: Straight. Number Of Rows: 1 per bearing. Rolling Elements: Steel balls. Closure Type: Open. Contact Angle: 25°. Precision Class: ABEC 7/9 (ISO P4S). Preload: Medium. Cage Material: Machined laminated phenolic. Cage Type: Outer-ring land-riding, machined. Bearing Material: High-carbon chrome steel. Series: 9100WI. Lubricant: grease or oil. Unit Quantity: 2 Pcs. Dynamic Radial Load Rating, set: 26,300 N (5,910 lbf). Dynamic Radial Load Rating per row, ISO C1: 23,900 N (5,380 lbf). Static Radial Load Rating: 19,700 N (4,430 lbf). Limiting Speed, grease lubrication: 16,200 rpm. Limiting Speed, oil lubrication: 29,400 rpm. GTIN: 087796072497. Country of Origin: United States.
Shaft Backing Shoulder Diameter: 56.1 mm (2.210 in). Housing Backing Shoulder Diameter: 74.2 mm (2.920 in). Maximum Shaft Fillet Radius: 1 mm (0.039 in). Outer Ring To-Clear Radius: 1 mm (0.039 in). Mounting Arrangement: matched pair with universally ground faces, mounting back-to-back, face-to-face or in tandem.
Same specification: Timken world part number 7010E-T-P4S-DUM, NSK 7010A5TRDUMP4, FAG B7010-E-T-P4S-UM, SKF 7010 ACD/P4ADGB, RHP 7010ETDUMP4. A 2MM9110WI set shares the 50 x 80 x 16 mm envelope at a 15° contact angle.
What contact angle does the Fafnir 3MM9110WI-DUM have?Contact Angle: 25°, from the 3MM prefix and confirmed by the 7010A5 and B7010E carton designations.
What is the GTIN?GTIN: 087796072497.
What are the speed limits?Limiting Speed, grease lubrication: 16,200 rpm. Limiting Speed, oil lubrication: 29,400 rpm.
$231.30
29 in stock
A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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