FAG
40
40 × 90 × 23 mm
Load C
41.8 kN
Speed
8,000
Weight
0.56 kg

The FAG 6308-2RSR is a standard size deep groove ball bearings with ISO dimensions 40×90×23 mm. Bearings in the 40mm bore range are commonly used in motors 5.5-37kW, centrifugal pumps, air compressors, industrial gearboxes (5.5-37kW range). This is an double sealed (2RS), maintenance-free lubrication, ideal for harsh environments variant. FAG/Schaeffler Germany — German precision engineering, especially strong in large and heavy-load bearings — 6 equivalent brands available under ISO designation 6308.

FAGDeep Groove Ball BearingsPre-Order 3–5 Days

FAG 6308-2RSR

Deep Groove Ball Bearings40×90×23 mm — ISO 6308

Dimensions
Bore Diameter (d)40 mm
Outside Diameter (D)90 mm
Width (B)23 mm
Dynamic Load Rating (C)41.8 kN
Static Load Rating (C₀)22.8 kN
Limiting Speed (grease)8,000 rpm
Mass0.56 kg
Seal TypeDouble Sealed
ClearanceCN
Precision ClassP0
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Technical Specifications

Full specifications for FAG 6308-2RSR per OEM catalog.

Bore Diameter (d)40 mm
Outside Diameter (D)90 mm
Width (B)23 mm
Dynamic Load Rating (C)41.8 kN
Static Load Rating (C₀)22.8 kN
Limiting Speed (grease)8,000 rpm
Mass0.56 kg
Seal TypeDouble Sealed
ClearanceCN
Precision ClassP0

* Tolerances per ISO. Specifications per OEM catalog.

Cross-Reference — Equivalent Codes

Same ISO 6308 — interchangeable dimensions.

BrandPart Number
FAG6308-2RSR
nsk6308DDU
ntn6308LLU
skf6308-2RS1
zvl6308-2RSR
koyo63082RS
nachi63082NSLE
timken6308-2RS

* C/C₀ may vary ±5% across manufacturers.

Compare 6308 Across Brands

Same interchangeable dimensions — different load ratings and pricing.

BrandSKUd×D×BC (kN)C₀ (kN)
FAG6308-2RSR40×90×2341.822.8Current
FAG630840×90×2341.8View
FAG6308-2Z40×90×2341.8View
Koyo630840×90×2340.2View
Koyo63082RS40×90×2340.2View
Koyo6308ZZ40×90×2340.2View
NACHI630840×90×2340.6View
NACHI63082NSLE40×90×2340.6View
NACHI6308ZZE40×90×2340.6View

FAQ — FAG 6308-2RSR

Quick answers to common questions.

FAG 6308-2RSR có kích thước d×D×B = 40×90×23 mm theo tiêu chuẩn ISO. Đường kính trong d = 40 mm, đường kính ngoài D = 90 mm, chiều rộng B = 23 mm.

Common Applications

Heavy industryPumps

Deep Groove Ball Bearings with 40mm bore diameter are commonly used in motors 5.5-37kW, centrifugal pumps, air compressors, industrial gearboxes (5.5-37kW range).

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FAG 6308-2RSR
40×90×23 mm
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