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Central Surplus Bearing Finder
A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
Availability:
1 in stock
Flanged metric tapered roller bearing cup, 165 mm outside diameter, 21 mm width, Class C precision. Flange face locates it in a through-bored housing.
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$364.79
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| MFR / Brand | Timken |
|---|---|
| Model | JLM 722912 B #C |
| Bearing Type | Tapered Roller Bearing Cup, Open |
| OD | 165 mm (6.4961 in) |
| Width | 21 mm |
| Material | Case Carburized Steel |
|---|---|
| Series | JLM722 |
| Base Number | JLM722912B |
| Overall Width | 21 mm (0.8268 in) |
| Mpn Variants | JLM722912B-C; JLM-722912-B *C; JLM722912B #C; JLM722912BC; JLM 722912 B |
| Precision Class | Class C |
| Additional Attributes | e Factor 0.46; K Factor 1.27; Y Factor 1.31; G1 161; G2 57.2; Cg 0.145; Flange OD (D1) 172.000 mm; Flange width (C2) 5.500 mm; Max housing fillet radius 3 mm; Da 160.02 mm |
| Rolling Elements | Tapered Roller |
| Item Weight | 1.80 kg (3.97 lb) |
| Number Of Rows | 1 |
| Harmonization Code | 8482.20.00 |
| Part Number | JLM722912B-C |
| Cross Reference 1 | Timken JLM722912 – unflanged cup, no flange |
|---|
Timken JLM722912B-C flanged metric tapered roller bearing cup. Bearing Type: Tapered roller bearing cup with an integral outer-ring flange. Series: JLM722. Base Number: JLM722912B. Outside Diameter: 165 mm (6.4961 in). Overall Width: 21 mm (0.8268 in). Outer Ring Flange Outside Diameter (D1): 172.000 mm (6.7717 in). Outer Ring Flange Width (C2): 5.500 mm (0.2165 in). Rolling Elements: Tapered Roller. Number Of Rows: 1. Item Weight: 1.80 kg (3.97 lb).
JLM — Timken metric-series prefix. The JLM families are built to whole-millimetre boundary dimensions, so this cup drops into a 165 mm metric housing bore.
722912 — cup number within that series.
B — flanged execution. The flange raises the outside diameter to 172 mm over a 5.5 mm band at one end, so the cup seats on the face of a through-bored housing rather than on an internal shoulder.
*C — Timken Precision Class C, a tightened tolerance grade above standard class.
e Factor: 0.46. K Factor: 1.27. Y Factor: 1.31. G1 Factor: 161. G2 Factor: 57.2. Geometry Factor (Cg): 0.145. A K of 1.27 is a medium-to-steep roller angle, so this cup carries a substantial thrust share alongside its radial load.
Maximum fillet radius on the mating housing: 3 mm (0.12 in). Housing Backing Shoulder Diameter, frontface (Da): 160.02 mm (6.34 in). The flange face sets axial position, so the housing bore can run straight through.
Unit Quantity: 1 Pc. Cup only.
The flanged JLM722912B is a Timken execution. The plain JLM722912 cup shares the 165 mm outside diameter and raceway, but it has no flange and locates on a housing shoulder, so it will not seat in a flanged bore. For a flanged 165 mm seat, Timken is the source.
Rockwell’s own product page for the Kinetix 6000 is down
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