Timken
⌀21.99
21.99 × 45.97 × 16.64 mm
Load C
30.8 kN
Speed
6,700
Weight
0.1 kg

The Timken LM12749/LM12711 is a small size tapered roller bearings with ISO dimensions 21.99×45.97×16.64 mm. Bearings in the 21.99mm bore range are commonly used in car wheel hubs, light truck gearboxes, forklift axles, differentials. This is an open type, requires periodic lubrication, suitable for clean environments variant. Timken USA — inventor of tapered roller bearings, world leader in heavy-load bearings — 6 equivalent brands available under ISO designation LM12749/LM12711.

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Timken LM12749/LM12711

Tapered Roller Bearings — 21.99×45.97×16.64 mm — ISO LM12749/LM12711

Dimensions
Bore Diameter (d)21.99 mm
Outside Diameter (D)45.97 mm
Width (B)16.64 mm
Dynamic Load Rating (C)30.8 kN
Static Load Rating (C₀)23 kN
Limiting Speed (grease)6,700 rpm
Mass0.1 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0
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Technical Specifications

Full specifications for Timken LM12749/LM12711 per OEM catalog.

Bore Diameter (d)21.99 mm
Outside Diameter (D)45.97 mm
Width (B)16.64 mm
Dynamic Load Rating (C)30.8 kN
Static Load Rating (C₀)23 kN
Limiting Speed (grease)6,700 rpm
Mass0.1 kg
Seal TypeOpen
ClearanceCN
Precision ClassP0

* Tolerances per ISO. Specifications per OEM catalog.

Cross-Reference — Equivalent Codes

Same ISO LM12749/LM12711 — interchangeable dimensions.

BrandPart Number
TimkenLM12749/LM12711
fagLM12749/LM12711
nskLM12749/LM12711
ntnLM12749/LM12711
skfLM12749/LM12711
zvlLM12749/LM12711
koyoLM12749/LM12711
nachiLM12749/LM12711

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

Compare LM12749/LM12711 Across Brands

Same interchangeable dimensions — different load ratings and pricing.

BrandSKUd×D×BC (kN)C₀ (kN)
TimkenLM12749/LM1271121.99×45.97×16.6430.823Current
FAGLM12749/LM1271121.99×45.97×16.6431.1—View
KoyoLM12749/LM1271121.99×45.97×16.6429.9—View
NACHILM12749/LM1271121.99×45.97×16.6430.2—View
NSKLM12749/LM1271121.99×45.97×16.6430.5—View
NTNLM12749/LM1271121.99×45.97×16.6430.5—View
SKFLM12749/LM1271121.99×45.97×16.6430.5—View
ZVLLM12749/LM1271121.99×45.97×16.6430.5—View

FAQ — Timken LM12749/LM12711

Quick answers to common questions.

Timken LM12749/LM12711 có kích thước d×D×B = 21.99×45.97×16.64 mm theo tiêu chuẩn ISO. Đường kính trong d = 21.99 mm, đường kính ngoài D = 45.97 mm, chiều rộng B = 16.64 mm.

Common Applications

AutomotiveForklifts

Tapered Roller Bearings with 21.99mm bore diameter are commonly used in car wheel hubs, light truck gearboxes, forklift axles, differentials.

Learn More

Tapered Roller Bearings: Construction, Pair Mounting & Clearance Adjustment

A tapered roller bearing uses conical rollers to handle heavy combined radial and axial loads through contact angles of 10°–30°. This guide covers cone/cup construction, O/X pair mounting, preload adjustment — sourced from Timken, SKF, ZVL catalogs and ISO 355.

Explore More

Type
All Tapered Roller Bearings
Brand
Timken Bearings
Combined
Timken
Catalog
15,800+ Products

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Timken LM12749/LM12711
21.99×45.97×16.64 mm
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