RHP6310TBR12P4Deep Groove Ball Bearing — 50 mm ID, 110 mm OD, 27 mm Width, Open, ABEC 7 / P4, Machined Phenolic Cage

Product Description

What this part is:

RHP 6310TBR12P4 is a single-row deep groove ball bearing ground to P4 (ABEC 7) tolerance for machine tool spindle service, 50 x 110 x 27 mm, open, with a one-piece machined phenolic cage. Unit Quantity: 1 Pc.

Decoding the designation:

6310 — ISO 63 dimension series, bore code 10: 50 mm bore, 110 mm outside diameter, 27 mm width.

TB — one-piece machined laminated phenolic cage, inner-ring centred.

P4 — ISO tolerance class 4 (ABEC 7).

MM-310-K — Fafnir designation for the same bearing, carried on the carton; MM is the P4 tolerance class, the 300K series is the spindle deep groove range and CR in MM310KCR is the phenolic cage.

Specifications:

Bore Diameter: 50 mm. Outside Diameter: 110 mm. Overall Width: 27 mm. Dynamic Load Rating: 68,000 N. Static Load Rating: 38,500 N. Precision Class: ABEC 7 / P4. Cage Material: Phenolic. Cage Type: Machined one-piece, inner-ring centred. Rolling Elements: Ball. Number Of Rows: 1. Closure Type: Open. Bore Type: Straight. Series: 6300. Ball Diameter: 19.05 mm. Item Weight: 1.06 kg (2.34 lb).

Dimensions and mounting:

Chamfer dimension r min: 2 mm. Shaft abutment diameter da: 59 mm min, 68 mm max. Housing abutment diameter Da: 101 mm max. Maximum fillet radius ra: 2 mm.

Compatibility and replacement:

Cross-Reference 1: Timken MM310KCR. Cross-Reference 2: Fafnir MM310K. Cross-Reference 3: SKF 6310 (standard tolerance, not P4). Cross-Reference 4: FAG 6310 (standard tolerance, not P4). Cross-Reference 5: NSK 6310 (standard tolerance, not P4). Cross-Reference 6: NTN 6310 (standard tolerance, not P4). Cross-Reference 7: Koyo 6310 (standard tolerance, not P4).

Frequently asked questions:

What are the dimensions of the RHP 6310TBR12P4?

50 mm bore, 110 mm outside diameter and 27 mm width.

What precision class and cage does it have?

Precision class P4 (ABEC 7) with a one-piece machined laminated phenolic cage, inner-ring centred.

What are its load ratings?

Dynamic Load Rating: 68,000 N. Static Load Rating: 38,500 N.