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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:
3 in stock
Super precision angular contact ball bearing, 80 x 110 x 16 mm, 25° contact angle, light preload, phenolic outer-land-riding cage, ISO P4 / ABEC 7.
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$113.10
3 in stock
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| MFR / Brand | Fafnir |
|---|---|
| MPN | 3MM9316WI SUL |
| Model | 3MM9316WISUL |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 80 mm |
| OD | 110 mm |
| Width | 16 mm |
| Material | High Carbon Chrome Steel |
|---|---|
| Series | 9300WI |
| Lubricant | Grease or oil |
| Preload | Light |
| Base Number | 71916 |
| Industry Terms | spindle bearing, super precision, machine tool bearing, phenolic cage, 25 degree angular contact, outer land riding cage, extra light section, 719 series, 9300WI series |
| Common Misspellings | 3MM9316 WI SUL, 3MM9316WLSUL, 3M9316WISUL, 3MM93l6WISUL, Fafner 3MM9316, Angualr contact bearing, phenolyc cage |
| Application Types | Machine tool spindles, boring and milling spindles, grinder wheelheads, precision rotary tables, gearbox output quills |
| Bore Shaft Size | 80 mm |
| Mpn Variants | 3MM9316WISUL, 3MM9316WI SUL, 3MM-9316-WI-SUL, 3MM 9316 WI SUL, 3MM9316WICRSUL, 3MM-9316-WI-CR-SUL, 2MM-9316-WI-CR-SUL, 3MM9316WI, 71916, 7916, 71916E-T-P4S-SUL |
| Manufacturer Status | Legacy Fafnir designation; obsolescence trail Fafnir to Torrington to Timken. |
| Compatible With Replaces | 80 x 110 x 16 mm 25° super precision spindle bearings of matching precision class, cage and light preload |
| Arrangement Configuration | Single bearing, universally ground |
| Precision Class | ABEC 7 / P4 |
| Cage Type | CR, phenolic outer land riding |
| Dynamic Load Rating | 31,900 N |
| Static Load Rating | 30,500 N |
| Precision Rating | ABEC 7 / P4 |
| Rolling Elements | Steel ball |
| Cage Material | Phenolic |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Limiting Speed | 11,600 rpm grease; 20,800 rpm oil |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 25° |
| Mounting Arrangement | Universal single |
| Part Number | 3MM9316WISUL |
| Total Width | 16 mm |
| Closure Type | Open |
| Cross Reference 1 | SKF 71916 ACDGA/P4A |
|---|---|
| Cross Reference 2 | FAG B71916-E-T-P4S-UL |
| Cross Reference 3 | NSK 7916A5TRSULP5 - P5 vs P4 |
Fafnir 3MM9316WI SUL super precision angular contact ball bearing, single row, 9300WI spindle series, 80 x 110 x 16 mm, 25° contact angle, light preload, single universally ground. Unit Quantity: 1 Pc.
3MM — Fafnir super precision spindle bearing, 25° contact angle, ISO P4 / ABEC 7 precision class.
9316 — 9300WI series, ISO 71916 envelope, 80 x 110 x 16 mm.
WI — low shoulder on both rings.
CR — phenolic outer land riding cage.
SU — single universally ground.
L — light preload.
Manufacturer Part Number: 3MM9316WI SUL.
World Part Number: 71916E-T-P4S-SUL.
Bore Diameter: 80 mm.
Outside Diameter: 110 mm.
Overall Width: 16 mm.
Contact Angle: 25°.
Number Of Rows: 1.
Bore Type: Straight.
Closure Type: Open.
Rolling Elements: Steel balls.
Cage: CR, phenolic outer land riding.
Precision Class: ISO P4 / ABEC 7.
Preload: Light.
Mounting Arrangement: Universal single.
Dynamic Load Rating (C1, 1M revs): 31,900 N.
C1 ISO Dynamic Radial Rating, per row: 29,000 N.
Static Load Rating (C0): 30,500 N.
Limiting Speed: 11,600 rpm grease; 20,800 rpm oil.
Max Shaft Fillet Radius: 1 mm. Outer Ring To Clear Radius: 1 mm. Shaft Backing Shoulder Diameter: 86.1 mm. Housing Backing Shoulder Diameter: 104.4 mm.
Base Number: 71916. MPN Variants: 3MM9316WISUL, 3MM9316WI SUL, 3MM-9316-WI-SUL, 3MM9316WICRSUL, 3MM9316WI, 71916, 7916.
Cross-references at 80 x 110 x 16 mm, 25°, light preload: SKF 71916 ACDGA/P4A, FAG B71916-E-T-P4S-UL, NSK 7916A5TRSULP5 (P5 class).
CAD model and data sheet: available from Timken (cad.timken.com).
80 mm bore, 110 mm outside diameter and 16 mm width, in the ISO 71916 envelope.
A 25° contact angle (3MM) with light preload (L), single universally ground (SU).
Dynamic C1 31,900 N, static C0 30,500 N, limiting speed 11,600 rpm with grease and 20,800 rpm with oil.
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