Fafnir® Wide Inner Ring Setscrew Locking Ball Bearings

**TIMKEN Ball Bearings: Precision, Durability, and Versatility for Demanding Applications**

TIMKEN® Ball Bearings, including **Insert Ball Bearings** and **Fafnir® Wide Inner Ring Setscrew Locking Ball Bearings**, represent the pinnacle of engineering excellence for industrial, automotive, and precision equipment applications. Designed to deliver unmatched reliability, these bearings combine advanced materials, precision manufacturing, and innovative locking mechanisms to optimize performance in harsh operating conditions.

### **Technical Features & Performance Advantages**

1. **Superior Load Handling & Durability**
TIMKEN Insert Ball Bearings and Fafnir® Wide Inner Ring Bearings are constructed from high-grade steel, ensuring exceptional resistance to wear, fatigue, and contamination. Their robust design accommodates radial, axial, and combined loads, making them ideal for applications with dynamic stress.

2. **Wide Inner Ring with Secure Locking Mechanism**
The **Fafnir® Wide Inner Ring** design provides an extended seating surface, enhancing shaft stability and reducing edge loading. The **setscrew locking** feature ensures a tight, vibration-resistant fit, preventing slippage even in high-torque environments.

3. **Sealed & Shielded Options for Contamination Resistance**
Available with **triple-lip seals** or **metal shields**, these bearings protect against dust, moisture, and debris—extending service life in dirty or wet conditions.

4. **Interchangeability & Easy Installation**
Designed to meet global standards, TIMKEN Insert Bearings are compatible with industry housing designs, simplifying maintenance and replacement. The **eccentric locking collar** variant offers an alternative to setscrews for applications requiring frequent adjustments.

### **Typical Applications**

– **Industrial Machinery:** Conveyors, pumps, gearboxes, and material handling equipment benefit from the bearings’ high load capacity and resistance to misalignment.
– **Automotive Systems:** Used in auxiliary drives, steering columns, and HVAC compressors, where compact size and vibration damping are critical.
– **Precision Equipment:** Food processing, packaging machines, and textile machinery rely on these bearings for smooth, low-noise operation.

### **Why Choose TIMKEN?**
With over a century of expertise in bearing technology, TIMKEN ensures **longer service life, reduced downtime, and lower total cost of ownership**. Whether in extreme temperatures, corrosive environments, or high-speed operations, TIMKEN Ball Bearings deliver consistent performance—backed by rigorous testing and global support.

For industries demanding **precision, strength, and reliability**, TIMKEN’s Insert and Fafnir® Wide Inner Ring Bearings set the standard for mechanical power transmission solutions.

MORE +
CLOSE +
Part Number Shaft Size d Outside Diameter Total Width Static Load Rating Dynamic Load Rating Lubrication Type O.D. Type Seal Type
YA115RR
N/A
90 mm
44.3 mm
23200 N
38900 N
Non-Relubricatable
Cylindrical OD
Narrow Shroud
ER31
N/A
90 mm
51.59 mm
23132.4 N
38805.6 N
Relubricatable
Cylindrical OD
Narrow Shroud
GYM1115KRRB
N/A
100 mm
55.55 mm
29200 N
48100 N
Relubricatable
Spherical OD
Shroud Seal
GYE50KRRB SGT
50 mm
90 mm
51.59 mm
23200 N
38900 N
Relubricatable
Spherical OD
Shroud Seal
GYAE50RRB
50 mm
90 mm
44.3 mm
23200 N
38900 N
Relubricatable
Spherical OD
Narrow Shroud
GYAE50RR
50 mm
90 mm
44.3 mm
23200 N
38900 N
Relubricatable
Cylindrical OD
Narrow Shroud
YAE50RRB
50 mm
90 mm
44.3 mm
23200 N
38900 N
Non-Relubricatable
Spherical OD
Narrow Shroud
YAE50RR
50 mm
90 mm
44.3 mm
23200 N
38900 N
Non-Relubricatable
Cylindrical OD
Narrow Shroud
GYA115RRB2
N/A
90 mm
44.3 mm
23200 N
38900 N
Relubricatable
Spherical OD
Narrow Shroud
GYA115RR2
N/A
90 mm
44.3 mm
23200 N
38900 N
Relubricatable
Cylindrical OD
Narrow Shroud
YA115RRB2
N/A
90 mm
44.3 mm
23200 N
38900 N
Non-Relubricatable
Spherical OD
Narrow Shroud
YA115RR2
N/A
90 mm
44.3 mm
23200 N
38900 N
Non-Relubricatable
Cylindrical OD
Narrow Shroud
GY1115KRRB3
N/A
90 mm
51.59 mm
23200 N
38900 N
Relubricatable
Spherical OD
Shroud Seal
GY1200KRRB SGT
N/A
100 mm
55.55 mm
29200 N
48100 N
Relubricatable
Spherical OD
Shroud Seal
GYA200RRB
N/A
100 mm
46.6 mm
29200 N
48100 N
Relubricatable
Spherical OD
Narrow Shroud
GYA200RR
N/A
100 mm
46.6 mm
29200 N
48100 N
Relubricatable
Cylindrical OD
Narrow Shroud
YA200RRB
N/A
100 mm
46.6 mm
29200 N
48100 N
Non-Relubricatable
Spherical OD
Narrow Shroud
YA200RR
N/A
100 mm
46.6 mm
29200 N
48100 N
Non-Relubricatable
Cylindrical OD
Narrow Shroud
ER32
N/A
100 mm
55.560 mm
29170.8 N
47952 N
Relubricatable
Cylindrical OD
Narrow Shroud
GY1201KRRB
N/A
100 mm
55.55 mm
29200 N
48100 N
Relubricatable
Spherical OD
Shroud Seal
GY1202KRRB
N/A
100 mm
55.55 mm
29200 N
48100 N
Relubricatable
Spherical OD
Shroud Seal
GYE55KRRB SGT
55 mm
100 mm
55.55 mm
29200 N
48100 N
Relubricatable
Spherical OD
Shroud Seal
GYAE55RRB
55 mm
100 mm
46.6 mm
29200 N
48100 N
Relubricatable
Spherical OD
Narrow Shroud
GYAE55RR
55 mm
100 mm
46.6 mm
29200 N
48100 N
Relubricatable
Cylindrical OD
Narrow Shroud