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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.
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1 in stock
Deep groove ball bearing, 120x180x28 mm; one steel shield, Conrad design, extra-light series, C 86,300 N. Fafnir (Timken) 9124KD, ISO 6024Z size.
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| MFR / Brand | Fafnir |
|---|---|
| MPN | 9124KD |
| GTIN | 087796069121 |
| Model | 9124 KD |
| Bearing Type | Deep Groove Ball Bearing, One shield |
| ID | 120 mm |
| OD | 180 mm |
| Width | 28 mm |
| Material | Bearing Steel |
|---|---|
| Series | 9100 |
| Base Number | 9124K |
| Common Misspellings | Fafner, Faffnir, Fafnier, 9124-KD, 9124 K-D, 6024-ZZ, 6024 Z bearing, Timkin, 9l24KD |
| Bore Shaft Size | 120 mm (4.7244 in), tolerance +0.000 / -0.020 mm |
| Mpn Variants | 9124KD, 9124-K-D, 9124 KD, 9124K D, 9124KDD, 9124K, 9124, 9124KG, 9124P, 9124PP |
| Manufacturer Status | Fafnir brand retired; absorbed into Timken (Fafnir to Timken) |
| Compatible With Replaces | Shaft and housing positions built to the 120 x 180 x 28 mm ISO 6024 deep groove envelope requiring one shield |
| Cage Type | Riveted two-piece pressed ribbon |
| Dynamic Load Rating | 86,300 N |
| Static Load Rating | 73,100 N |
| Rolling Elements | Ball |
| Cage Material | Steel |
| Limiting Speed | 2,000 rpm (grease) |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.10.50.68 |
| Part Number | 9124KD |
| Cross Reference 1 | ISO 6024Z - same size, one shield; not a Timken cross |
|---|---|
| Cross Reference 6 | 9124P (one seal) / 9124PP (two seals) |
| Cross Reference 7 | Torrington 9124KD |
Fafnir (now Timken) 9124KD is a single-row deep groove ball bearing, 120 mm bore, 180 mm outside diameter, 28 mm width, with one pressed steel grease shield and the opposite face open. It belongs to the 9100 extra-light series. Conrad construction (non-filling-slot) with a high shoulder on both rings gives thrust capacity in both directions.
9100 — Timken extra-light series.
24 — bore code, 24 x 5 = 120 mm.
K — Conrad, non-filling-slot construction with a high shoulder on both the inner and outer rings.
D — one steel-plate grease shield. DD is shields on both sides.
G — Wireloc snap ring in Fafnir numbering; 9124KG is the snap-ring variant of this size.
Bearing Type: Deep Groove Ball Bearing, single row. Bore Diameter: 120 mm. Outside Diameter: 180 mm. Overall Width: 28 mm. Closure Type: One shield. Dynamic Load Rating: 86,300 N (19,400 lbf). Static Load Rating: 73,100 N (16,400 lbf). Limiting Speed: 2,000 rpm grease, 2,331 rpm oil. Weight: 2.2 kg (4.9 lb). Cage Material: Steel. Cage Type: Riveted two-piece pressed ribbon. Rolling Elements: Steel balls. Bore Type: Straight. Number Of Rows: 1. Series: 9100 extra-light. Snap Ring Included: No. Harmonization Code: 8482.10.50.68.
Bore tolerance: 120 mm, +0.000 / -0.020 mm. Outside diameter tolerance: 180 mm, +0.000 / -0.025 mm. Shaft backing shoulder diameter: 130 mm (5.1181 in). Housing backing shoulder diameter: 169.90 mm (6.6890 in). Maximum shaft fillet radius: 2.0 mm (0.079 in). Shield thickness: 3.05 mm (0.120 in). Ratings are from the Timken CAD record for 9124KD.
The 120 x 180 x 28 mm envelope is the ISO 6024 boundary set; the ISO closure analogue is 6024Z, one shield. Related Fafnir variants at this size: 9124K open, 9124KG with Wireloc snap ring, 9124P one seal, 9124PP two seals. Designation variants: 9124KD, 9124-K-D, 9124 KD, 9124K D, 9124K, 9124.
Bore Diameter: 120 mm. Outside Diameter: 180 mm. Overall Width: 28 mm.
Closure Type: one pressed steel grease shield, opposite face open. The D suffix marks one shield.
Dynamic Load Rating: 86,300 N. Static Load Rating: 73,100 N. Limiting Speed: 2,000 rpm grease.
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