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Central Surplus Bearing Finder
A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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1 in stock
Super-precision angular contact ball bearing duplex pair, 20 x 42 x 12 mm each, 15° contact angle, medium preload, phenolic cage. Fafnir 2MM9104WICRDUM.
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| MFR / Brand | Fafnir |
|---|---|
| MPN | 2MM9104WICRDUM |
| GTIN | 087796071919 |
| Model | 2MM 9104 WI DUM / 7004 C P4A DGA / 7004 C TY/TR DUM |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 20 mm |
| OD | 42 mm |
| Width | 12 mm |
| Series | 9100WI |
|---|---|
| Lubricant | Oil |
| Preload | Medium |
| Base Number | 2MM9104WI |
| Total Width | 24 mm (pair) |
| Overall Width | 12 mm |
| Mpn Variants | 2MM9104WIDUM; 2MM-9104-WI-CR-DUM; 2 MM 9104 WI CR DUM; 2MM9104WICRDUM |
| Precision Class | ABEC 7 / P4 |
| Dynamic Load Rating | 11,600 N (per bearing) |
| Static Load Rating | 6,010 N (per bearing) |
| Rolling Elements | Ball |
| Item Weight | 0.134 kg (0.30 lb) per pair |
| Cage Material | Phenolic |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Limiting Speed | 37,100 rpm grease; 74,200 rpm oil |
| Contact Angle | 15° |
| Mounting Arrangement | Universally ground duplex pair |
| Cross Reference 1 | FAG B7004-C-T-P4S-UL |
|---|---|
| Cross Reference 2 | SKF 7004 CD/P4ADGB |
| Cross Reference 3 | NSK 7004CTRDUMP4 |
| Cross Reference 4 | NTN 7004UCG/GNP4 |
| Cross Reference 5 | RHP 7004CTDUMP4 |
| Cross Reference 6 | Koyo 7004C P4 DUM |
| Cross Reference 7 | SNFA VEX 20 /NS 7CE1 |
| Cross Reference 8 | 7004-C - standard tolerance, no P4S |
Fafnir 2MM9104WICRDUM, a super-precision angular contact ball bearing supplied as a universally ground duplex pair. Unit Quantity: 2 Pcs. Bore Diameter: 20 mm. Outside Diameter: 42 mm. Overall Width: 12 mm per bearing. Total Width: 24 mm mounted as a pair. GTIN: 087796071919.
2MM — Fafnir super-precision spindle range at a 15° contact angle, P4 (ABEC 7) precision class.
9104 — the 9100 light dimension series, bore code 04, which maps to the ISO 7004 envelope: 20 mm bore, 42 mm outside diameter, 12 mm width.
WI — low shoulder on both rings.
CR — phenolic cage.
DUM — duplex pair, universally ground, medium preload. The pair mounts back-to-back, face-to-face or in tandem.
Contact Angle: 15°. Rolling Elements: Ball. Number Of Rows: 1 per bearing. Bore Type: Straight. Closure Type: Open. Cage Material: Phenolic. Precision Class: ABEC 7 / P4. Preload: Medium. Series: 9100WI. Base Number: 2MM9104WI. Dynamic Load Rating: 11,600 N per bearing. Static Load Rating: 6,010 N per bearing. Limiting Speed: 37,100 rpm grease; 74,200 rpm oil. Item Weight: 0.134 kg (0.30 lb) for the pair.
Bore Diameter: 20 mm. Outside Diameter: 42 mm. Overall Width: 12 mm per bearing; 24 mm for the pair. Shaft Backing Shoulder Diameter: 24.8 mm. Housing Backing Shoulder Diameter: 37.7 mm. Maximum Housing Fillet Radius: 0.6 mm (0.024 in).
Cross-references on the 7004 envelope at 15° with medium preload: FAG B7004-C-T-P4S-UL, SKF 7004 CD/P4ADGB, NSK 7004CTRDUMP4, NTN 7004UCG/GNP4, RHP 7004CTDUMP4, Koyo 7004C P4 DUM and SNFA VEX 20 /NS 7CE1. A standard-tolerance 7004-C matches the envelope and angle only. MPN Variants: 2MM9104WIDUM, 2MM-9104-WI-CR-DUM, 2 MM 9104 WI CR DUM, 2MM9104WICRDUM.
It is a super-precision angular contact ball bearing, 20 x 42 x 12 mm, supplied as a universally ground duplex pair with medium preload and a phenolic cage.
The contact angle is 15°. Limiting speed is 37,100 rpm on grease and 74,200 rpm on oil.
Dynamic load rating is 11,600 N and static load rating is 6,010 N, each per bearing.
A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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Our team can locate, cross-reference, and source all parts.
Our team can locate, cross-reference, and source all parts.
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