Timken vs. SKF Bearings: The Difference Between Tier-1 Bearing Brands
When sourcing a replacement bearing, you will often find both Timken and SKF options for
Availability:
3 in stock
Combined needle roller / axial cylindrical roller bearing for screw drives, 40x115x75 mm; double-direction axial plus radial capacity in one unit, PA66 cage.
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| MFR / Brand | INA |
|---|---|
| MPN | ZARF40115-TV-A |
| Model | ZARF40115 TV A |
| ID | 40 mm |
| OD | 115 mm |
| Condition | New |
|---|---|
| Base Number | 40115 |
| Industry Terms | screw drive bearing; ball screw support bearing; axial radial bearing; combined bearing; needle roller axial cylindrical roller bearing; ZARF bearing; feed axis bearing |
| Common Misspellings | ZARF 40115 TV A; ZARF40115TVA; ZARF-40115-TVA; ZARF40115 TVA; INA ZARF40115TV; Schaffler; Schaeffer |
| Application Types | Machine-tool feed axes; ball screw and lead screw supports; press screw drives; CNC positioning axes; injection moulding machine drives |
| Bore Shaft Size | 40 mm (1.5748 in) |
| Mpn Variants | ZARF40115-TV-A; ZARF40115TVA; ZARF-40115-TV-A; ZARF40115TVANA |
| Compatible With Replaces | INA ZARF40115-TV-A; ZARF40115-TV (base designation, PA cage) |
| Arrangement Configuration | Double-direction axial cylindrical roller assembly plus single-row radial needle roller assembly in one unit |
| Additional Attributes | Axial dynamic load rating (family): 117 kN; Axial static load rating (family): 315 kN; Load direction: axial in both directions plus radial; PA66 cage operating temperature range (series level): -30 to 120 C (-22 to 248 F); Country of manufacture: Germany; EAN: 4012802417531; Do NOT substitute ZARF40115-L-TV-A - that variant is 93 mm wide |
| Bearing Type | Needle roller / axial cylindrical roller bearing (combined axial-radial) |
| Item Weight | 2.556 kg (5.64 lb) |
| Cage Material | Glass-fibre reinforced polyamide (PA66) |
| Mounting Arrangement | Screw mounting (bolted through outer ring) |
| Design Units | Metric |
| Bearing Class | Super precision (screw-drive support) |
| Part Number | ZARF40115-TV-A |
| Cross Reference 1 | ZARF40115-TV-A (Schaeffler/INA designation) |
|---|---|
| Cross Reference 2 | ZARF40115TVA |
The INA ZARF40115-TV-A is a combined needle roller / axial cylindrical roller bearing built for screw-drive and ball-screw support duty, with a 40 mm bore, 115 mm outside diameter and 75 mm overall width. Made in Germany. EAN 4012802417531.
The TV suffix denotes a glass-fibre-reinforced polyamide (PA66) cage; the A suffix is Schaeffler’s increased-accuracy design.
It pairs a single-row radial needle roller assembly with a double-direction axial cylindrical roller assembly in one unit, so a single bearing carries high axial load in both directions plus radial load while holding tight running accuracy.
Radial dynamic: 38 kN
Radial static: 74 kN
Axial dynamic: 117 kN
Axial static: 315 kN
It is designed for screw mounting, giving high rigidity and low settling tendency in machine-tool feed axes and press screw drives.
Note for buyers: the longer ZARF40115-L-TV-A is 93 mm wide, not 75 mm, and is not a dimensional drop-in for this part.
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