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:
11 in stock
Angular contact ball bearing, 45 x 75 x 16 mm, 15° contact angle, open, phenolic cage, ABEC 7 / P4 precision. Fafnir 2MM9109WI, one bearing.
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11 in stock
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| MFR / Brand | Fafnir |
|---|---|
| MPN | 2MM9109WI |
| Model | 2MM 9109 WI CR / 7009 CD P4A / 7009C |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 45 mm |
| OD | 75 mm |
| Width | 16 mm |
| Material | Chrome bearing steel, steel balls |
|---|---|
| Series | 9100WI (Fafnir spindle series, ISO 70 light series) |
| Lubricant | Oil or grease |
| Base Number | 2MM9109WI |
| Industry Terms | Spindle bearing; super precision bearing; machine tool bearing; 15 degree angular contact; P4 bearing; ABEC 7 bearing |
| Common Misspellings | 2MM9109WL; 2MM 9109WI; 2M M9109WI; 2MM9019WI; Fafner 2MM9109WI |
| Application Types | Machine tool spindles; grinding spindles; precision gearboxes; high-speed rotary tables |
| Bore Shaft Size | 45 mm (1.7717 in) |
| Mpn Variants | 2MM9109WI; 2MM 9109 WI; 2MM-9109-WI; 2MM9109WICR; 2MM-9109-WI-CR; 2MM9109WI CR |
| Precision Class | ABEC 7 / P4 |
| Additional Attributes | Inner ring backing diameter 2.020 in; outer ring backing diameter 2.730 in; max fillet radius 0.039 in both rings; ball diameter 0.34375 in; steel balls |
| Dynamic Load Rating | 27,000 N (6,080 lbf) |
| Static Load Rating | 19,300 N (4,330 lbf) |
| Precision Rating | ABEC 7 / P4 |
| Rolling Elements | Ball |
| Item Weight | 0.24 kg (0.530 lb) |
| Cage Material | Phenolic |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Limiting Speed | 17,900 rpm grease; 35,800 rpm oil |
| Harmonization Code | 8482.10.50.28 |
| Contact Angle | 15° |
| Part Number | 2MM9109WI |
| Cross Reference 1 | SKF 7009 CD/P4A |
|---|---|
| Cross Reference 2 | NSK 7009CTRP4 |
| Cross Reference 3 | FAG B7009-C-T-P4S |
| Cross Reference 4 | 2MM9109WI DUL - preloaded duplex pair, light preload |
| Cross Reference 6 | 2MMC9109WI - ceramic hybrid balls |
Fafnir 2MM9109WI is a super-precision angular contact ball bearing, single row, open on both faces, with steel balls and a phenolic cage. Bore Diameter: 45 mm. Outside Diameter: 75 mm. Width: 16 mm. Unit Quantity: 1 Pc, bare single bearing with no duplex arrangement suffix.
2MM — Fafnir super-precision angular contact prefix. 2MM carries a 15° contact angle and the MM class, ABEC 7 / ISO P4.
9109 — Fafnir 9100 series size, the ISO 7009 envelope at 45 x 75 x 16 mm.
WI — low-shoulder spindle bearing execution.
CR — phenolic cage.
Bore Diameter: 45 mm (1.7717 in). Outside Diameter: 75 mm (2.9528 in). Width: 16 mm (0.6299 in).
Contact Angle: 15°. Number Of Rows: 1. Rolling Elements: Ball. Closure Type: Open. Cage Material: Phenolic.
Precision Class: ABEC 7 / P4. Dynamic Load Rating: 27,000 N (6,080 lbf). Static Load Rating: 19,300 N (4,330 lbf).
Limiting Speed: 17,900 rpm grease; 35,800 rpm oil. Item Weight: 0.24 kg (0.530 lb). Series: 9100WI.
Inner ring backing diameter: 2.020 in. Outer ring backing diameter: 2.730 in. Maximum shaft and housing fillet radius: 0.039 in on both rings. Ball diameter: 0.34375 in.
Cross-references: SKF 7009 CD/P4A, NSK 7009CTRP4 and FAG B7009-C-T-P4S, all 45 x 75 x 16 mm at 15°. Fafnir 2MM9109WI DUL and DUM are the same bearing supplied as preloaded matched pairs. Fafnir 2MMC9109WI is the ceramic hybrid ball version.
Bore 45 mm, outside diameter 75 mm, width 16 mm, contact angle 15°.
Dynamic load rating 27,000 N, static load rating 19,300 N, limiting speed 17,900 rpm on grease and 35,800 rpm on oil.
MM is ABEC 7 / ISO P4. The 2 gives the 15° contact angle.
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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