Fafnir2MM9307WICRSULAngular Contact Ball Bearing, 35x55x10 mm, 15° Contact, ISO P4

Product Description

What this part is:

Fafnir 2MM9307WI-SUL super-precision angular contact spindle ball bearing, built by The Timken Company. Bore: 35 mm. Outside Diameter: 55 mm. Width: 10 mm. Contact Angle: 15°. Precision: ISO P4 (ABEC 7). Preload: Light. Single, universally ground, open, phenolic outer-land-riding cage. Unit Quantity: 1 Pc. World Part Number: 71907C-T-P4S-SUL.

Decoding the designation:

2MM — 15° contact angle; MM is Fafnir’s ISO P4 (ABEC 7) precision class.

9307 — size in the 9300WI series, the ISO 71907 envelope.

WI — low shoulder on both rings.

CR — phenolic outer-land-riding cage.

SU — single universally ground bearing.

L — light preload when mounted against a mate.

Specifications:

Part Number: 2MM9307WICRSUL. Base Number: 2MM9307WI. Series: 9300WI. Bore: 35 mm. Outside Diameter: 55 mm. Bearing Width: 10 mm. Total Width: 10 mm. Contact Angle: 15°. Precision Class: ISO P4 (ABEC 7). Bearing Class: P4. Preload: Light. Cage Type: CR – Phenolic Outer Land Riding Cage. Cage Material: Phenolic. Rolling Elements: Steel ball. Material: Bearing steel. Bore Type: Straight. Closure Type: Open. Snap Ring Included: No. Number Of Rows: 1. Arrangement / Configuration: Single universally ground. Mounting Arrangement: Universal single. Design Units: Metric. Lubricant: Grease or oil. Relubrication Feature: No. Harmonization Code: 8482.10.50.68. Dynamic Radial Load Rating (C1): 12,600 N (2,830 lbf) per bearing. C1 ISO Dynamic Radial Rating per row: 11,500 N (2,570 lbf) per bearing. Static Radial Load Rating (C0): 9,020 N (2,030 lbf) per bearing. Limiting Speed, grease: 25,400 rpm. Limiting Speed, oil: 50,800 rpm.

Dimensions and mounting:

Maximum shaft fillet radius: 0.6 mm (0.024 in). Maximum housing fillet radius: 0.6 mm (0.024 in). Shaft Backing Shoulder Diameter: 39.5 mm (1.550 in). Housing Backing Shoulder Diameter: 51.1 mm (2.010 in).

Compatibility and replacement:

Cross-Reference 1: Timken 71907C-T-P4S-SUL, the world part number for this bearing. Cross-Reference 2: SKF 71907 CDGA/P4A. Cross-Reference 3: FAG B71907-C-T-P4S-UL. Cross-Reference 4: NSK 7907CTYNSULP4. MPN Variants: 2MM9307WI-SUL, 2MM9307WICRSUL, 2MM9307WI SUL, 2MM 9307 WI CR SUL, 71907C-T-P4S-SUL, 7907C.

Frequently asked questions:

What are the contact angle and preload of the 2MM9307WI-SUL?

Contact Angle: 15°. Preload: Light, set when this universally ground bearing is mounted against a mate.

What are the load ratings and speed limits?

Per bearing, dynamic radial load rating (C1) is 12,600 N (2,830 lbf) and static radial load rating (C0) is 9,020 N (2,030 lbf). Limiting speed is 25,400 rpm on grease and 50,800 rpm on oil.

What is the ISO envelope?

The 9307 size in the 9300WI series is the ISO 71907 envelope: 35 x 55 x 10 mm.